diff --git a/apps/cmdd/cmdd.c b/apps/cmdd/cmdd.c
index 2912b7410..6dfebe42f 100644
--- a/apps/cmdd/cmdd.c
+++ b/apps/cmdd/cmdd.c
@@ -25,10 +25,10 @@ static const char *prompt = "contiki> ";
 
 /*---------------------------------------------------------------------------*/
 static char * CC_FASTCALL
-n(u16_t num, char *ptr)
+n(uint16_t num, char *ptr)
 {
-  u16_t d;
-  u8_t a, f;
+  uint16_t d;
+  uint8_t a, f;
 
   if(num == 0) {
     *ptr = '0';
diff --git a/apps/codeprop/codeprop-tmp.c b/apps/codeprop/codeprop-tmp.c
index 06e7284ef..a6a4dfc28 100644
--- a/apps/codeprop/codeprop-tmp.c
+++ b/apps/codeprop/codeprop-tmp.c
@@ -104,18 +104,18 @@ static const char *err_msgs[] =
 #define UDPDATASIZE   32
 
 struct codeprop_udphdr {
-  u16_t id;
-  u16_t type;
+  uint16_t id;
+  uint16_t type;
 #define TYPE_DATA 0x0001
 #define TYPE_NACK 0x0002
-  u16_t addr;
-  u16_t len;
-  u8_t data[UDPDATASIZE];
+  uint16_t addr;
+  uint16_t len;
+  uint8_t data[UDPDATASIZE];
 };
 
 struct codeprop_tcphdr {
-  u16_t len;
-  u16_t pad;
+  uint16_t len;
+  uint16_t pad;
 };
 
 static void uipcall(void *state);
@@ -123,19 +123,19 @@ static void uipcall(void *state);
 PROCESS(codeprop_process, "Code propagator");
 
 struct codeprop_state {
-  u8_t state;
+  uint8_t state;
 #define STATE_NONE              0
 #define STATE_RECEIVING_TCPDATA 1
 #define STATE_RECEIVING_UDPDATA 2
 #define STATE_SENDING_UDPDATA   3
-  u16_t count;
-  u16_t addr;
-  u16_t len;
-  u16_t id;
+  uint16_t count;
+  uint16_t addr;
+  uint16_t len;
+  uint16_t id;
   struct etimer sendtimer;
   struct timer nacktimer, timer, starttimer;
-  u8_t received;
-  u8_t send_counter;
+  uint8_t received;
+  uint8_t send_counter;
   struct pt tcpthread_pt;
   struct pt udpthread_pt;
   struct pt recv_udpthread_pt;
@@ -198,10 +198,10 @@ PROCESS_THREAD(codeprop_process, ev, data)
   PROCESS_END();
 }
 /*---------------------------------------------------------------------*/
-static u16_t
+static uint16_t
 send_udpdata(struct codeprop_udphdr *uh)
 {
-  u16_t len;
+  uint16_t len;
 
   uh->type = UIP_HTONS(TYPE_DATA);
   uh->addr = uip_htons(s.addr);
@@ -367,7 +367,7 @@ PT_THREAD(recv_udpthread(struct pt *pt))
 static
 PT_THREAD(recv_tcpthread(struct pt *pt))
 {
-  u8_t *dataptr;
+  uint8_t *dataptr;
   struct codeprop_tcphdr *th;
   int datalen = uip_datalen();
   PT_BEGIN(pt);
diff --git a/apps/codeprop/codeprop.c b/apps/codeprop/codeprop.c
index 046755f7e..f0b822667 100644
--- a/apps/codeprop/codeprop.c
+++ b/apps/codeprop/codeprop.c
@@ -104,13 +104,13 @@ void codeprop_set_rate(clock_time_t time);
 #define UDPDATASIZE   32
 
 struct codeprop_udphdr {
-  u16_t id;
-  u16_t type;
+  uint16_t id;
+  uint16_t type;
 #define TYPE_DATA 0x0001
 #define TYPE_NACK 0x0002
-  u16_t addr;
-  u16_t len;
-  u8_t data[UDPDATASIZE];
+  uint16_t addr;
+  uint16_t len;
+  uint8_t data[UDPDATASIZE];
 };
 
 static void uipcall(void *state);
@@ -118,19 +118,19 @@ static void uipcall(void *state);
 PROCESS(codeprop_process, "Code propagator");
 
 struct codeprop_state {
-  u8_t state;
+  uint8_t state;
 #define STATE_NONE              0
 #define STATE_RECEIVING_TCPDATA 1
 #define STATE_RECEIVING_UDPDATA 2
 #define STATE_SENDING_UDPDATA   3
-  u16_t count;
-  u16_t addr;
-  u16_t len;
-  u16_t id;
+  uint16_t count;
+  uint16_t addr;
+  uint16_t len;
+  uint16_t id;
   struct etimer sendtimer;
   struct timer nacktimer, timer, starttimer;
-  u8_t received;
-  u8_t send_counter;
+  uint8_t received;
+  uint8_t send_counter;
   struct pt tcpthread_pt;
   struct pt udpthread_pt;
   struct pt recv_udpthread_pt;
@@ -199,10 +199,10 @@ PROCESS_THREAD(codeprop_process, ev, data)
   PROCESS_END();
 }
 /*---------------------------------------------------------------------*/
-static u16_t
+static uint16_t
 send_udpdata(struct codeprop_udphdr *uh)
 {
-  u16_t len;
+  uint16_t len;
   
   uh->type = UIP_HTONS(TYPE_DATA);
   uh->addr = uip_htons(s.addr);
@@ -360,7 +360,7 @@ PT_THREAD(recv_udpthread(struct pt *pt))
 static
 PT_THREAD(recv_tcpthread(struct pt *pt))
 {
-  u8_t *dataptr;
+  uint8_t *dataptr;
   struct codeprop_tcphdr *th;
   int datalen = uip_datalen();
   
diff --git a/apps/codeprop/codeprop.h b/apps/codeprop/codeprop.h
index 4b5f967db..5ead82cb8 100644
--- a/apps/codeprop/codeprop.h
+++ b/apps/codeprop/codeprop.h
@@ -38,8 +38,8 @@
 #define CODEPROP_DATA_PORT 6510
 
 struct codeprop_tcphdr {
-  u16_t len;
-  u16_t pad;
+  uint16_t len;
+  uint16_t pad;
 };
 
 PROCESS_NAME(codeprop_process);
diff --git a/apps/codeprop/tcp_loader.c b/apps/codeprop/tcp_loader.c
index bab36ca22..700ee5495 100644
--- a/apps/codeprop/tcp_loader.c
+++ b/apps/codeprop/tcp_loader.c
@@ -50,8 +50,8 @@ PROCESS(tcp_loader_process, "TCP loader");
 
 static
 struct codeprop_state {
-  u16_t addr;
-  u16_t len;
+  uint16_t addr;
+  uint16_t len;
   struct pt tcpthread_pt;
 } s;
 
diff --git a/apps/codeprop/tcp_loader2.c b/apps/codeprop/tcp_loader2.c
index 115834de4..4b861473d 100644
--- a/apps/codeprop/tcp_loader2.c
+++ b/apps/codeprop/tcp_loader2.c
@@ -55,8 +55,8 @@ PROCESS(tcp_loader_process, "TCP loader");
 
 static
 struct codeprop_state {
-  u16_t addr;
-  u16_t len;
+  uint16_t addr;
+  uint16_t len;
   struct pt tcpthread_pt;
 } s;
 
diff --git a/apps/dhcp/dhcp.c b/apps/dhcp/dhcp.c
index c492cf6df..9ea9b0605 100644
--- a/apps/dhcp/dhcp.c
+++ b/apps/dhcp/dhcp.c
@@ -48,7 +48,7 @@ set_statustext(char *text)
 }
 /*---------------------------------------------------------------------------*/
 static char *
-makebyte(u8_t byte, char *str)
+makebyte(uint8_t byte, char *str)
 {
   if(byte >= 100) {
     *str++ = (byte / 100 ) % 10 + '0';
diff --git a/apps/email/smtp-socket.c b/apps/email/smtp-socket.c
index 64dd2baf6..01ae54527 100644
--- a/apps/email/smtp-socket.c
+++ b/apps/email/smtp-socket.c
@@ -52,9 +52,9 @@ struct smtp_state {
   char *from;
   char *subject;
   char *msg;
-  u8_t msgwidth;
-  u8_t msgheight;
-  u8_t line;
+  uint8_t msgwidth;
+  uint8_t msgheight;
+  uint8_t line;
 };
 
 static struct smtp_state s;
@@ -209,7 +209,7 @@ smtp_configure(char *lhostname, uip_ipaddr_t *server)
 /*---------------------------------------------------------------------------*/
 unsigned char
 smtp_send(char *to, char *cc, char *from, char *subject,
-	  char *msg, u8_t msgwidth, u8_t msgheight)
+	  char *msg, uint8_t msgwidth, uint8_t msgheight)
 {
   struct uip_conn *conn;
 
diff --git a/apps/email/smtp.h b/apps/email/smtp.h
index f420fa090..84c31958c 100644
--- a/apps/email/smtp.h
+++ b/apps/email/smtp.h
@@ -45,7 +45,7 @@ void smtp_configure(char *localhostname, uip_ipaddr_t *smtpserver);
 
 unsigned char smtp_send(char *to, char *cc, char *from,
 			char *subject, char *msg,
-			u8_t msgwidth, u8_t msgheight);
+			uint8_t msgwidth, uint8_t msgheight);
 
 void smtp_appcall(void *state);
 
diff --git a/apps/er-coap-03/er-coap-03-engine.c b/apps/er-coap-03/er-coap-03-engine.c
index a11f7f5d0..610209f13 100644
--- a/apps/er-coap-03/er-coap-03-engine.c
+++ b/apps/er-coap-03/er-coap-03-engine.c
@@ -47,7 +47,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #define PRINTBITS(buf,len) { \
       int i,j=0; \
diff --git a/apps/er-coap-03/er-coap-03-observing.c b/apps/er-coap-03/er-coap-03-observing.c
index 82e8cbffa..2da95248c 100644
--- a/apps/er-coap-03/er-coap-03-observing.c
+++ b/apps/er-coap-03/er-coap-03-observing.c
@@ -44,7 +44,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-03/er-coap-03-transactions.c b/apps/er-coap-03/er-coap-03-transactions.c
index 2ed691d86..ef2c5b65e 100644
--- a/apps/er-coap-03/er-coap-03-transactions.c
+++ b/apps/er-coap-03/er-coap-03-transactions.c
@@ -46,7 +46,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-03/er-coap-03.c b/apps/er-coap-03/er-coap-03.c
index b02227ba2..10b95f59f 100644
--- a/apps/er-coap-03/er-coap-03.c
+++ b/apps/er-coap-03/er-coap-03.c
@@ -63,7 +63,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-06/er-coap-06-engine.c b/apps/er-coap-06/er-coap-06-engine.c
index ff1c3a4f4..f03e279f3 100644
--- a/apps/er-coap-06/er-coap-06-engine.c
+++ b/apps/er-coap-06/er-coap-06-engine.c
@@ -47,7 +47,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #define PRINTBITS(buf,len) { \
       int i,j=0; \
diff --git a/apps/er-coap-06/er-coap-06-observing.c b/apps/er-coap-06/er-coap-06-observing.c
index 43f5fff49..06c454883 100644
--- a/apps/er-coap-06/er-coap-06-observing.c
+++ b/apps/er-coap-06/er-coap-06-observing.c
@@ -44,7 +44,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-06/er-coap-06-separate.c b/apps/er-coap-06/er-coap-06-separate.c
index 292acca0d..ee935de3d 100644
--- a/apps/er-coap-06/er-coap-06-separate.c
+++ b/apps/er-coap-06/er-coap-06-separate.c
@@ -44,7 +44,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-06/er-coap-06-transactions.c b/apps/er-coap-06/er-coap-06-transactions.c
index 980fad7f3..47958bd8d 100644
--- a/apps/er-coap-06/er-coap-06-transactions.c
+++ b/apps/er-coap-06/er-coap-06-transactions.c
@@ -52,7 +52,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-06/er-coap-06.c b/apps/er-coap-06/er-coap-06.c
index 013001c48..62b86eb2d 100644
--- a/apps/er-coap-06/er-coap-06.c
+++ b/apps/er-coap-06/er-coap-06.c
@@ -48,7 +48,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-07/er-coap-07-engine.c b/apps/er-coap-07/er-coap-07-engine.c
index 245072b8e..0a226c7ac 100644
--- a/apps/er-coap-07/er-coap-07-engine.c
+++ b/apps/er-coap-07/er-coap-07-engine.c
@@ -47,7 +47,7 @@
 #define DEBUG 0 
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #define PRINTBITS(buf,len) { \
       int i,j=0; \
diff --git a/apps/er-coap-07/er-coap-07-observing.c b/apps/er-coap-07/er-coap-07-observing.c
index 6c6ed7f1c..f242165be 100644
--- a/apps/er-coap-07/er-coap-07-observing.c
+++ b/apps/er-coap-07/er-coap-07-observing.c
@@ -44,7 +44,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-07/er-coap-07-separate.c b/apps/er-coap-07/er-coap-07-separate.c
index f27aed4a7..8cd89dcbe 100644
--- a/apps/er-coap-07/er-coap-07-separate.c
+++ b/apps/er-coap-07/er-coap-07-separate.c
@@ -44,7 +44,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-07/er-coap-07-transactions.c b/apps/er-coap-07/er-coap-07-transactions.c
index 739fd746a..bfca2a23b 100644
--- a/apps/er-coap-07/er-coap-07-transactions.c
+++ b/apps/er-coap-07/er-coap-07-transactions.c
@@ -53,7 +53,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/er-coap-07/er-coap-07.c b/apps/er-coap-07/er-coap-07.c
index 1e3223b2e..a9aed1791 100644
--- a/apps/er-coap-07/er-coap-07.c
+++ b/apps/er-coap-07/er-coap-07.c
@@ -49,7 +49,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/erbium/erbium.c b/apps/erbium/erbium.c
index 007b1ee2f..165a9c252 100644
--- a/apps/erbium/erbium.c
+++ b/apps/erbium/erbium.c
@@ -45,7 +45,7 @@
 #define DEBUG 0
 #if DEBUG
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/ftp/ftp.c b/apps/ftp/ftp.c
index 2d5cf7906..719e535cd 100644
--- a/apps/ftp/ftp.c
+++ b/apps/ftp/ftp.c
@@ -674,7 +674,7 @@ ftpc_connected(void *connection)
 }
 /*---------------------------------------------------------------------------*/
 void
-ftpc_data(u8_t *data, u16_t len)
+ftpc_data(uint8_t *data, uint16_t len)
 {
   if(data == NULL) {
     show_statustext("Download complete", "");
diff --git a/apps/ftp/ftpc.c b/apps/ftp/ftpc.c
index 0107cd7e0..81b1e1468 100644
--- a/apps/ftp/ftpc.c
+++ b/apps/ftp/ftpc.c
@@ -52,7 +52,7 @@ struct ftp_dataconn {
 #define CONNTYPE_LIST 0
 #define CONNTYPE_FILE 1
 
-  u16_t port;
+  uint16_t port;
   
   unsigned char filenameptr;
   char filename[MAX_FILENAMELEN];
@@ -128,7 +128,7 @@ ftpc_init(void)
 }
 /*---------------------------------------------------------------------------*/
 void *
-ftpc_connect(uip_ipaddr_t *ipaddr, u16_t port)
+ftpc_connect(uip_ipaddr_t *ipaddr, uint16_t port)
 {
   struct ftp_connection *c;
 
@@ -212,8 +212,8 @@ handle_input(struct ftp_connection *c)
 static void
 newdata(struct ftp_connection *c)
 {
-  u16_t i;
-  u8_t d;
+  uint16_t i;
+  uint8_t d;
   
   for(i = 0; i < uip_datalen(); ++i) {
     d = ((char *)uip_appdata)[i];
@@ -268,17 +268,17 @@ acked(struct ftp_connection *c)
 static void
 senddata(struct ftp_connection *c)
 {
-  u16_t len;
+  uint16_t len;
   
   switch(c->state) {
   case STATE_SEND_USER:
-    len = 5 + (u16_t)strlen(ftpc_username()) + 2;
+    len = 5 + (uint16_t)strlen(ftpc_username()) + 2;
     strcpy(uip_appdata, "USER ");
     strncpy((char *)uip_appdata + 5, ftpc_username(), uip_mss() - 5 - 2);
     strcpy((char *)uip_appdata + len - 2, "\r\n");
     break;
   case STATE_SEND_PASS:
-    len = 5 + (u16_t)strlen(ftpc_password()) + 2;
+    len = 5 + (uint16_t)strlen(ftpc_password()) + 2;
     strcpy(uip_appdata, "PASS ");
     strncpy((char *)uip_appdata + 5, ftpc_password(), uip_mss() - 5 - 2);
     strcpy((char *)uip_appdata + len - 2, "\r\n");
@@ -290,7 +290,7 @@ senddata(struct ftp_connection *c)
 		  (c->dataconn.port) & 0xff);
     break;
   case STATE_SEND_OPTIONS:
-    len = (u16_t)strlen(options.commands[c->optionsptr]);
+    len = (uint16_t)strlen(options.commands[c->optionsptr]);
     strcpy(uip_appdata, options.commands[c->optionsptr]);
     break;
   case STATE_SEND_NLST:
diff --git a/apps/ftp/ftpc.h b/apps/ftp/ftpc.h
index 67e76e6af..f1f60392d 100644
--- a/apps/ftp/ftpc.h
+++ b/apps/ftp/ftpc.h
@@ -39,7 +39,7 @@
 
 void ftpc_init(void);
 
-void *ftpc_connect(uip_ipaddr_t *ipaddr, u16_t port);
+void *ftpc_connect(uip_ipaddr_t *ipaddr, uint16_t port);
 char ftpc_list(void *connection);
 void ftpc_cwd(void *connection, char *dir);
 void ftpc_cdup(void *connection);
@@ -63,6 +63,6 @@ void ftpc_closed(void);
 void ftpc_aborted(void);
 void ftpc_timedout(void);
 void ftpc_list_file(char *filename);
-void ftpc_data(u8_t *data, u16_t len);
+void ftpc_data(uint8_t *data, uint16_t len);
 
 #endif /* __FTPC_H__ */
diff --git a/apps/netconf/netconf.c b/apps/netconf/netconf.c
index 62dc3239d..59ba3aa47 100644
--- a/apps/netconf/netconf.c
+++ b/apps/netconf/netconf.c
@@ -73,7 +73,7 @@ static void makestrings(void);
 
 /*-----------------------------------------------------------------------------------*/
 static char *
-makebyte(u8_t byte, char *str)
+makebyte(uint8_t byte, char *str)
 {
   if(byte >= 100) {
     *str++ = (byte / 100 ) % 10 + '0';
diff --git a/apps/ping6/ping6.c b/apps/ping6/ping6.c
index 369c001be..e2d5806c6 100644
--- a/apps/ping6/ping6.c
+++ b/apps/ping6/ping6.c
@@ -42,7 +42,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",lladdr->addr[0], lladdr->addr[1], lladdr->addr[2], lladdr->addr[3],lladdr->addr[4], lladdr->addr[5])
 #else
 #define PRINTF(...)
@@ -56,9 +56,9 @@
 #define UIP_ICMP_BUF            ((struct uip_icmp_hdr *)&uip_buf[uip_l2_l3_hdr_len])
 
 static struct etimer ping6_periodic_timer;
-static u8_t count = 0;
+static uint8_t count = 0;
 static char command[20];
-static u16_t addr[8];
+static uint16_t addr[8];
 uip_ipaddr_t dest_addr;
 
 PROCESS(ping6_process, "PING6 process");
@@ -66,7 +66,7 @@ AUTOSTART_PROCESSES(&ping6_process);
 
 
 /*---------------------------------------------------------------------------*/
-static u8_t
+static uint8_t
 ping6handler(process_event_t ev, process_data_t data)
 {
   if(count == 0){
@@ -130,8 +130,8 @@ ping6handler(process_event_t ev, process_data_t data)
 
 
     uip_len = UIP_ICMPH_LEN + UIP_ICMP6_ECHO_REQUEST_LEN + UIP_IPH_LEN + PING6_DATALEN;
-    UIP_IP_BUF->len[0] = (u8_t)((uip_len - 40) >> 8);
-    UIP_IP_BUF->len[1] = (u8_t)((uip_len - 40) & 0x00FF);
+    UIP_IP_BUF->len[0] = (uint8_t)((uip_len - 40) >> 8);
+    UIP_IP_BUF->len[1] = (uint8_t)((uip_len - 40) & 0x00FF);
 
     UIP_ICMP_BUF->icmpchksum = 0;
     UIP_ICMP_BUF->icmpchksum = ~uip_icmp6chksum();
@@ -157,7 +157,7 @@ ping6handler(process_event_t ev, process_data_t data)
 PROCESS_THREAD(ping6_process, ev, data)
 {
 
-  u8_t cont = 1;
+  uint8_t cont = 1;
 
   PROCESS_BEGIN();
   PRINTF("In Process PING6\n");
diff --git a/apps/rest-coap/coap-common.c b/apps/rest-coap/coap-common.c
index deb4e222e..0ddff495d 100644
--- a/apps/rest-coap/coap-common.c
+++ b/apps/rest-coap/coap-common.c
@@ -30,7 +30,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/rest-coap/coap-server.c b/apps/rest-coap/coap-server.c
index 2fb944325..6f20e364c 100644
--- a/apps/rest-coap/coap-server.c
+++ b/apps/rest-coap/coap-server.c
@@ -20,7 +20,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
@@ -420,10 +420,10 @@ handle_incoming_data(void)
   int error=NO_ERROR;
   char buf[MAX_PAYLOAD_LEN];
 
-  PRINTF("uip_datalen received %u \n",(u16_t)uip_datalen());
+  PRINTF("uip_datalen received %u \n",(uint16_t)uip_datalen());
 
   char* data = (char *)uip_appdata + uip_ext_len;
-  u16_t datalen = uip_datalen() - uip_ext_len;
+  uint16_t datalen = uip_datalen() - uip_ext_len;
 
   int data_size = 0;
 
diff --git a/apps/rest-common/rest.c b/apps/rest-common/rest.c
index c1b383c44..b28ae1bd5 100644
--- a/apps/rest-common/rest.c
+++ b/apps/rest-common/rest.c
@@ -7,7 +7,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/rest-common/static-routing.c b/apps/rest-common/static-routing.c
index 91cff3719..1be139f89 100644
--- a/apps/rest-common/static-routing.c
+++ b/apps/rest-common/static-routing.c
@@ -13,7 +13,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/rest-http/http-server.c b/apps/rest-http/http-server.c
index 26385b493..256e37904 100644
--- a/apps/rest-http/http-server.c
+++ b/apps/rest-http/http-server.c
@@ -15,7 +15,7 @@
 #if DEBUG
 #include <stdio.h>
 #define PRINTF(...) printf(__VA_ARGS__)
-#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
+#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
 #define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
 #else
 #define PRINTF(...)
diff --git a/apps/servreg-hack/servreg-hack.c b/apps/servreg-hack/servreg-hack.c
index 8a0165f2c..fdc68f238 100644
--- a/apps/servreg-hack/servreg-hack.c
+++ b/apps/servreg-hack/servreg-hack.c
@@ -330,7 +330,7 @@ send_udp_packet(struct uip_udp_conn *conn)
 }
 /*---------------------------------------------------------------------------*/
 static void
-parse_incoming_packet(const u8_t *buf, int len)
+parse_incoming_packet(const uint8_t *buf, int len)
 {
   int numregs;
   int flags;
diff --git a/apps/shell/shell-ping.c b/apps/shell/shell-ping.c
index 4957a4fa7..4568e2861 100644
--- a/apps/shell/shell-ping.c
+++ b/apps/shell/shell-ping.c
@@ -85,8 +85,8 @@ send_ping(uip_ipaddr_t *dest_addr)
   
   uip_len = UIP_ICMPH_LEN + UIP_ICMP6_ECHO_REQUEST_LEN +
     UIP_IPH_LEN + PING_DATALEN;
-  UIP_IP_BUF->len[0] = (u8_t)((uip_len - 40) >> 8);
-  UIP_IP_BUF->len[1] = (u8_t)((uip_len - 40) & 0x00ff);
+  UIP_IP_BUF->len[0] = (uint8_t)((uip_len - 40) >> 8);
+  UIP_IP_BUF->len[1] = (uint8_t)((uip_len - 40) & 0x00ff);
   
   UIP_ICMP_BUF->icmpchksum = 0;
   UIP_ICMP_BUF->icmpchksum = ~uip_icmp6chksum();
@@ -116,11 +116,11 @@ send_ping(uip_ipaddr_t *dest_addr)
   UIP_ICMP_BUF->seqno = uip_htons(seqno++);
   
   uip_len = UIP_ICMPH_LEN + UIP_IPH_LEN + PING_DATALEN;
-  UIP_IP_BUF->len[0] = (u8_t)((uip_len) >> 8);
-  UIP_IP_BUF->len[1] = (u8_t)((uip_len) & 0x00ff);
+  UIP_IP_BUF->len[0] = (uint8_t)((uip_len) >> 8);
+  UIP_IP_BUF->len[1] = (uint8_t)((uip_len) & 0x00ff);
   
   UIP_ICMP_BUF->icmpchksum = 0;
-  UIP_ICMP_BUF->icmpchksum = ~uip_chksum((u16_t *)&(UIP_ICMP_BUF->type),
+  UIP_ICMP_BUF->icmpchksum = ~uip_chksum((uint16_t *)&(UIP_ICMP_BUF->type),
 					 UIP_ICMPH_LEN + PING_DATALEN);
 
   /* Calculate IP checksum. */
diff --git a/apps/shell/shell-rime-ping.c b/apps/shell/shell-rime-ping.c
index 2fa0286df..ff8869d01 100644
--- a/apps/shell/shell-rime-ping.c
+++ b/apps/shell/shell-rime-ping.c
@@ -123,7 +123,7 @@ sent_mesh(struct mesh_conn *c)
 {
 }
 static void
-recv_mesh(struct mesh_conn *c, const rimeaddr_t *from, u8_t hops)
+recv_mesh(struct mesh_conn *c, const rimeaddr_t *from, uint8_t hops)
 {
   struct rime_ping_msg ping;
   char buf[64];
diff --git a/apps/shell/shell-rime.c b/apps/shell/shell-rime.c
index 9a8d4a2fd..0403e3ecf 100644
--- a/apps/shell/shell-rime.c
+++ b/apps/shell/shell-rime.c
@@ -293,7 +293,7 @@ PROCESS_THREAD(shell_send_process, ev, data)
 }
 /*---------------------------------------------------------------------------*/
 static void
-recv_collect(const rimeaddr_t *originator, u8_t seqno, u8_t hops)
+recv_collect(const rimeaddr_t *originator, uint8_t seqno, uint8_t hops)
 {
   struct collect_msg collect_msg;
   char *dataptr;
diff --git a/apps/shell/shell-tcpsend.c b/apps/shell/shell-tcpsend.c
index 019ca3b12..166cb5b08 100644
--- a/apps/shell/shell-tcpsend.c
+++ b/apps/shell/shell-tcpsend.c
@@ -82,7 +82,7 @@ telnet_text_output(struct telnet_state *s, char *text1, char *text2)
 }
 /*---------------------------------------------------------------------------*/
 void
-telnet_newdata(struct telnet_state *s, char *data, u16_t len)
+telnet_newdata(struct telnet_state *s, char *data, uint16_t len)
 {
   shell_output(&tcpsend_command, data, len, "", 0);
 }
diff --git a/apps/shell/shell-wget.c b/apps/shell/shell-wget.c
index b52383391..401807fb1 100644
--- a/apps/shell/shell-wget.c
+++ b/apps/shell/shell-wget.c
@@ -191,7 +191,7 @@ shell_wget_init(void)
 }
 /*---------------------------------------------------------------------------*/
 void
-webclient_datahandler(char *data, u16_t len)
+webclient_datahandler(char *data, uint16_t len)
 {
   if(len == 0) {
     running = 0;
diff --git a/apps/telnet/simpletelnet.c b/apps/telnet/simpletelnet.c
index 1efc45f3e..cbd744dd7 100644
--- a/apps/telnet/simpletelnet.c
+++ b/apps/telnet/simpletelnet.c
@@ -152,7 +152,7 @@ static void
 connect(void)
 {
   uip_ipaddr_t addr, *addrptr;
-  u16_t port;
+  uint16_t port;
   char *cptr;
   struct uip_conn *conn;
 
@@ -310,7 +310,7 @@ telnet_timedout(struct telnet_state *s)
 }
 /*-----------------------------------------------------------------------------------*/
 void
-telnet_newdata(struct telnet_state *s, char *data, u16_t len)
+telnet_newdata(struct telnet_state *s, char *data, uint16_t len)
 {
   petsciiconv_topetscii(data, len);
   data[len] = 0;
diff --git a/apps/telnet/telnet.c b/apps/telnet/telnet.c
index 8e7debc39..95ee9d059 100644
--- a/apps/telnet/telnet.c
+++ b/apps/telnet/telnet.c
@@ -44,7 +44,7 @@
 #define FLAG_ABORT 2
 /*-----------------------------------------------------------------------------------*/
 unsigned char
-telnet_send(struct telnet_state *s, char *text, u16_t len)
+telnet_send(struct telnet_state *s, char *text, uint16_t len)
 {
   if(s->text != NULL) {
     return 1;
@@ -104,7 +104,7 @@ senddata(struct telnet_state *s)
 }
 /*-----------------------------------------------------------------------------------*/
 struct telnet_state *
-telnet_connect(struct telnet_state *s, uip_ipaddr_t *addr, u16_t port)
+telnet_connect(struct telnet_state *s, uip_ipaddr_t *addr, uint16_t port)
 {
   struct uip_conn *conn;
   
diff --git a/apps/telnet/telnet.h b/apps/telnet/telnet.h
index cb888a5a3..638b0c4f4 100644
--- a/apps/telnet/telnet.h
+++ b/apps/telnet/telnet.h
@@ -39,16 +39,16 @@
 struct telnet_state {
   unsigned char flags;
   char *text;
-  u16_t textlen;
-  u16_t sentlen;
+  uint16_t textlen;
+  uint16_t sentlen;
 };
 
 /*DISPATCHER_UIPCALL(telnet_app, s);*/
 void telnet_app(void *s);
-unsigned char telnet_send(struct telnet_state *s, char *text, u16_t len);
+unsigned char telnet_send(struct telnet_state *s, char *text, uint16_t len);
 unsigned char telnet_close(struct telnet_state *s);
 unsigned char telnet_abort(struct telnet_state *s);
-struct telnet_state *telnet_connect(struct telnet_state *s, uip_ipaddr_t *addr, u16_t port);
+struct telnet_state *telnet_connect(struct telnet_state *s, uip_ipaddr_t *addr, uint16_t port);
 
 
 /* Callbacks, implemented by the caller. */
@@ -57,5 +57,5 @@ void telnet_closed(struct telnet_state *s);
 void telnet_sent(struct telnet_state *s);
 void telnet_aborted(struct telnet_state *s);
 void telnet_timedout(struct telnet_state *s);
-void telnet_newdata(struct telnet_state *s, char *data, u16_t len);
+void telnet_newdata(struct telnet_state *s, char *data, uint16_t len);
 #endif /* __TELNET_H__ */
diff --git a/apps/telnetd/telnetd.c b/apps/telnetd/telnetd.c
index 1ee7bd586..d994629db 100644
--- a/apps/telnetd/telnetd.c
+++ b/apps/telnetd/telnetd.c
@@ -66,7 +66,7 @@ struct telnetd_state {
   char buf[TELNETD_CONF_LINELEN + 1];
   char bufptr;
   uint16_t numsent;
-  u8_t state;
+  uint8_t state;
 #define STATE_NORMAL 0
 #define STATE_IAC    1
 #define STATE_WILL   2
@@ -239,7 +239,7 @@ senddata(void)
 }
 /*---------------------------------------------------------------------------*/
 static void
-get_char(u8_t c)
+get_char(uint8_t c)
 {
   PRINTF("telnetd: get_char '%c' %d %d\n", c, c, s.bufptr);
 
@@ -264,7 +264,7 @@ get_char(u8_t c)
 }
 /*---------------------------------------------------------------------------*/
 static void
-sendopt(u8_t option, u8_t value)
+sendopt(uint8_t option, uint8_t value)
 {
   char line[4];
   line[0] = (char)TELNET_IAC;
@@ -278,8 +278,8 @@ sendopt(u8_t option, u8_t value)
 static void
 newdata(void)
 {
-  u16_t len;
-  u8_t c;
+  uint16_t len;
+  uint8_t c;
   uint8_t *ptr;
     
   len = uip_datalen();
diff --git a/apps/vnc/vnc-draw.h b/apps/vnc/vnc-draw.h
index e6bc3947e..ec806a3b9 100644
--- a/apps/vnc/vnc-draw.h
+++ b/apps/vnc/vnc-draw.h
@@ -39,7 +39,7 @@
 #include "net/uip_arch.h"
 
 /* Pointer to the bitmap area in memory. */
-extern u8_t vnc_draw_bitmap[];
+extern uint8_t vnc_draw_bitmap[];
 
 /* Initialize the vnc-draw module. */
 void vnc_draw_init(void);
@@ -48,14 +48,14 @@ void vnc_draw_init(void);
    given by the "data" argument and the length of data is given by the
    "datalen" argument. The data format is one pixel per byte in bgr233
    format (bbgggrrr). */
-void vnc_draw_pixelline(u16_t x, u16_t y,
-			u8_t *data, u16_t datalen);
+void vnc_draw_pixelline(uint16_t x, uint16_t y,
+			uint8_t *data, uint16_t datalen);
 
 /* The following functions should return the x and y coordinates and
    the width and height of the viewport. */
-u16_t vnc_draw_viewport_x(void);
-u16_t vnc_draw_viewport_y(void);
-u16_t vnc_draw_viewport_w(void);
-u16_t vnc_draw_viewport_h(void);
+uint16_t vnc_draw_viewport_x(void);
+uint16_t vnc_draw_viewport_y(void);
+uint16_t vnc_draw_viewport_w(void);
+uint16_t vnc_draw_viewport_h(void);
 
 #endif /* __VNC_DRAW_H__ */
diff --git a/apps/vnc/vnc-viewer.c b/apps/vnc/vnc-viewer.c
index b83d2c63a..b4cd36878 100644
--- a/apps/vnc/vnc-viewer.c
+++ b/apps/vnc/vnc-viewer.c
@@ -48,7 +48,7 @@
 #define RFB_SERVER_VERSION_STRING rfb_server_version_string
 
 /* "RFB 003.003" */
-static u8_t rfb_server_version_string[12] =
+static uint8_t rfb_server_version_string[12] =
   {82,70,66,32,48,48,51,46,48,48,51,10};
 
 #if 0
@@ -77,7 +77,7 @@ vnc_viewer_close(void)
 }
 /*-----------------------------------------------------------------------------------*/
 void
-vnc_viewer_connect(u16_t *server, u8_t display)
+vnc_viewer_connect(uint16_t *server, uint8_t display)
 {
   struct uip_conn *conn;
 
@@ -96,10 +96,10 @@ vnc_viewer_connect(u16_t *server, u8_t display)
 static void
 senddata(void)
 {
-  register u8_t *dataptr;
-  u16_t dataleft;
+  register uint8_t *dataptr;
+  uint16_t dataleft;
 
-  dataptr = (u8_t *)uip_appdata;
+  dataptr = (uint8_t *)uip_appdata;
     
   switch(vs->sendmsg) {
   case VNC_SEND_VERSION:
@@ -115,7 +115,7 @@ senddata(void)
   case VNC_SEND_CINIT:
     PRINTF(("Sending CINIT\n"));
     /* Send one byte of client init. */
-    *(u8_t *)dataptr = 1;
+    *(uint8_t *)dataptr = 1;
     uip_send(uip_appdata, 1);
     break;
   case VNC_SEND_PFMT:
@@ -144,10 +144,10 @@ senddata(void)
     dataptr += sizeof(struct rfb_set_encodings);
     dataptr[0] = dataptr[1] = dataptr[2] = 0;
     dataptr[3] = RFB_ENC_RAW;
-    /*    ((u8_t *)dataptr + sizeof(struct rfb_set_encodings))[4] =
-      ((u8_t *)dataptr + sizeof(struct rfb_set_encodings))[5] =
-      ((u8_t *)dataptr + sizeof(struct rfb_set_encodings))[6] = 0;
-      ((u8_t *)dataptr + sizeof(struct rfb_set_encodings))[7] = RFB_ENC_RRE;*/
+    /*    ((uint8_t *)dataptr + sizeof(struct rfb_set_encodings))[4] =
+      ((uint8_t *)dataptr + sizeof(struct rfb_set_encodings))[5] =
+      ((uint8_t *)dataptr + sizeof(struct rfb_set_encodings))[6] = 0;
+      ((uint8_t *)dataptr + sizeof(struct rfb_set_encodings))[7] = RFB_ENC_RRE;*/
     uip_send(uip_appdata, sizeof(struct rfb_set_encodings) + 4);
     break;
   case VNC_SEND_UPDATERQ:
@@ -230,7 +230,7 @@ senddata(void)
 }
 /*-----------------------------------------------------------------------------------*/
 static void
-buffer_data(u8_t *data, u16_t datalen)
+buffer_data(uint8_t *data, uint16_t datalen)
 {
   PRINTF(("Buffering %d bytes of data\n", datalen));
 
@@ -254,11 +254,11 @@ clearbuffer(void)
 }
 /*-----------------------------------------------------------------------------------*/
 /* Returns: the amount of bytes actually read. */
-static u16_t
-recv_rectstate(u8_t *dataptr, u16_t datalen)
+static uint16_t
+recv_rectstate(uint8_t *dataptr, uint16_t datalen)
 {
-  u16_t pixels;
-  u16_t pixelsleft;
+  uint16_t pixels;
+  uint16_t pixelsleft;
   
   switch(vs->rectstate) {
   case VNC_RECTSTATE_RAW:
@@ -309,7 +309,7 @@ recv_rectstate(u8_t *dataptr, u16_t datalen)
    rect can be drawn. */
 static unsigned short
 recv_update_rect(CC_REGISTER_ARG struct rfb_fb_update_rect_hdr *rhdr,
-		 u16_t dataleft)
+		 uint16_t dataleft)
 {
   struct rfb_rre_hdr *rrehdr;
 
@@ -319,7 +319,7 @@ recv_update_rect(CC_REGISTER_ARG struct rfb_fb_update_rect_hdr *rhdr,
       rhdr->encoding[2]) == 0) {
     switch(rhdr->encoding[3]) {
     case RFB_ENC_RAW:
-      vs->rectstateleft = (u32_t)uip_htons(rhdr->rect.w) * (u32_t)uip_htons(rhdr->rect.h);
+      vs->rectstateleft = (uint32_t)uip_htons(rhdr->rect.w) * (uint32_t)uip_htons(rhdr->rect.h);
       vs->rectstate = VNC_RECTSTATE_RAW;
       vs->rectstatex0 = vs->rectstatex = uip_htons(rhdr->rect.x);
       vs->rectstatey0 = vs->rectstatey = uip_htons(rhdr->rect.y);
@@ -330,14 +330,14 @@ recv_update_rect(CC_REGISTER_ARG struct rfb_fb_update_rect_hdr *rhdr,
       break;
 
     case RFB_ENC_RRE:
-      rrehdr = (struct rfb_rre_hdr *)((u8_t *)rhdr +
+      rrehdr = (struct rfb_rre_hdr *)((uint8_t *)rhdr +
 				      sizeof(struct rfb_fb_update_rect_hdr));
       PRINTF(("Received RRE subrects %d (%d)\n",
 	     (uip_htons(rrehdr->subrects[1]) << 16) +
 	     uip_htons(rrehdr->subrects[0]),
 	     rrehdr->bgpixel));
-      vs->rectstateleft = ((u32_t)(uip_htons(rrehdr->subrects[1]) << 16) +
-			(u32_t)uip_htons(rrehdr->subrects[0]));
+      vs->rectstateleft = ((uint32_t)(uip_htons(rrehdr->subrects[1]) << 16) +
+			(uint32_t)uip_htons(rrehdr->subrects[0]));
       vs->rectstate = VNC_RECTSTATE_RRE;
 
       break;
@@ -363,8 +363,8 @@ recv_update_rect(CC_REGISTER_ARG struct rfb_fb_update_rect_hdr *rhdr,
  * incoming message and returns the number of bytes of data that is to
  * be expected.
  */
-static u16_t
-identify_data(CC_REGISTER_ARG u8_t *data, u16_t datalen)
+static uint16_t
+identify_data(CC_REGISTER_ARG uint8_t *data, uint16_t datalen)
 {
   switch(vs->waitmsg) {
   case VNC_WAIT_VERSION:
@@ -405,7 +405,7 @@ identify_data(CC_REGISTER_ARG u8_t *data, u16_t datalen)
       
     default:
       uip_abort();
-      PRINTF(("Weird message type received (%d)\n", *(u8_t *)uip_appdata));
+      PRINTF(("Weird message type received (%d)\n", *(uint8_t *)uip_appdata));
       return 0;
     }
     break;
@@ -425,7 +425,7 @@ identify_data(CC_REGISTER_ARG u8_t *data, u16_t datalen)
  * Handles the data.
  */
 static unsigned short
-handle_data(CC_REGISTER_ARG u8_t *data, u16_t datalen)
+handle_data(CC_REGISTER_ARG uint8_t *data, uint16_t datalen)
 {
   
   switch(vs->waitmsg) {
@@ -461,7 +461,7 @@ handle_data(CC_REGISTER_ARG u8_t *data, u16_t datalen)
 	   uip_htons(((struct rfb_server_init *)data)->height),
 	   ((struct rfb_server_init *)data)->format.bps,
 	   ((struct rfb_server_init *)data)->format.depth,
-	   ((u8_t *)data + sizeof(struct rfb_server_init))));*/
+	   ((uint8_t *)data + sizeof(struct rfb_server_init))));*/
     vs->w = uip_htons(((struct rfb_server_init *)data)->width);
     vs->h = uip_htons(((struct rfb_server_init *)data)->height);
     vs->sendmsg = VNC_SEND_PFMT;
@@ -490,7 +490,7 @@ handle_data(CC_REGISTER_ARG u8_t *data, u16_t datalen)
       break;
       
     default:
-      PRINTF(("Weird message type received (%d)\n", *(u8_t *)data));
+      PRINTF(("Weird message type received (%d)\n", *(uint8_t *)data));
       break;
     }
     break;
@@ -525,15 +525,15 @@ handle_data(CC_REGISTER_ARG u8_t *data, u16_t datalen)
  * care of the next time this function is invoked (i.e., for the next
  * incoming data chunk).
  */
-static u8_t
+static uint8_t
 newdata(void)
 {
-  u16_t datalen;
-  u16_t readlen;
-  u8_t *dataptr;
+  uint16_t datalen;
+  uint16_t readlen;
+  uint8_t *dataptr;
   
   datalen = uip_datalen();
-  dataptr = (u8_t *)uip_appdata;
+  dataptr = (uint8_t *)uip_appdata;
 
   PRINTF(("newdata: %d bytes\n", datalen));
   
@@ -558,7 +558,7 @@ newdata(void)
 	 sequence for the data that is left in the incoming chunk. */
       datalen -= vs->bufferleft;
       dataptr += vs->bufferleft;
-      buffer_data((u8_t *)uip_appdata, vs->bufferleft);
+      buffer_data((uint8_t *)uip_appdata, vs->bufferleft);
       handle_data(vs->buffer, vs->buffersize);
       clearbuffer();
     } else { /* datalen < vs->bufferleft */
@@ -710,9 +710,9 @@ vnc_viewer_appcall(void * nullptr)
 }
 /*-----------------------------------------------------------------------------------*/
 void
-vnc_viewer_post_event(u8_t type,
-		      u16_t data1, u16_t data2,
-		      u16_t data3, u16_t data4)
+vnc_viewer_post_event(uint8_t type,
+		      uint16_t data1, uint16_t data2,
+		      uint16_t data3, uint16_t data4)
 {
   register struct vnc_event *ev;
   struct vnc_event *ev0;
diff --git a/apps/vnc/vnc-viewer.h b/apps/vnc/vnc-viewer.h
index 443748e9e..2ae97c682 100644
--- a/apps/vnc/vnc-viewer.h
+++ b/apps/vnc/vnc-viewer.h
@@ -39,12 +39,12 @@
 
 struct vnc_viewer_state;
 
-/*typedef unsigned long u32_t;*/
+/*typedef unsigned long uint32_t;*/
 
 void vnc_viewer_init(void);
 void vnc_viewer_appcall(void *nullptr);
 
-void vnc_viewer_connect(u16_t *server, u8_t display);
+void vnc_viewer_connect(uint16_t *server, uint8_t display);
 void vnc_viewer_close(void);
 
 /* Callback: redraws the VNC viewer bitmap area. */
@@ -63,9 +63,9 @@ void vnc_viewer_refresh(void);
 #define VNC_VIEWER_POST_UPDATERQ_EVENT(x1,y1,x2,y2) \
         vnc_viewer_post_event(VNC_UPDATERQ_EVENT, x1, y1, x2, y2)
 
-void vnc_viewer_post_event(u8_t event,
-			   u16_t data1, u16_t data2,
-			   u16_t data3, u16_t data4);
+void vnc_viewer_post_event(uint8_t event,
+			   uint16_t data1, uint16_t data2,
+			   uint16_t data3, uint16_t data4);
 
 /* UIP_APPCALL: the name of the application function. This function
    must return void and take no arguments (i.e., C type "void
@@ -75,22 +75,22 @@ void vnc_viewer_post_event(u8_t event,
 #endif
 
 struct vnc_key_event {
-  u8_t down;
-  u16_t key;
+  uint8_t down;
+  uint16_t key;
 };
 
 struct vnc_pointer_event {
-  u8_t buttonmask;
-  u16_t x, y;
+  uint8_t buttonmask;
+  uint16_t x, y;
 };
 
 struct vnc_updaterq_event {
-  u16_t x, y;
-  u16_t w, h;
+  uint16_t x, y;
+  uint16_t w, h;
 };
 
 struct vnc_event {
-  u8_t type;
+  uint8_t type;
   union {
     struct vnc_key_event key;
     struct vnc_pointer_event ptr;
@@ -133,34 +133,34 @@ enum vnc_rectstate {
 };
 
 struct vnc_viewer_state {
-  u8_t close;
-  u16_t w, h;
+  uint8_t close;
+  uint16_t w, h;
   
-  u8_t sendmsg;
+  uint8_t sendmsg;
 
-  u8_t waitmsg;
+  uint8_t waitmsg;
   
-  u16_t rectsleft;
+  uint16_t rectsleft;
   
-  u8_t rectstate;
-  u32_t rectstateleft;
-  u16_t rectstatex, rectstatey;
-  u16_t rectstateh, rectstatew;
-  u16_t rectstatex0, rectstatey0;
-  u16_t rectstatex2, rectstatey2;
+  uint8_t rectstate;
+  uint32_t rectstateleft;
+  uint16_t rectstatex, rectstatey;
+  uint16_t rectstateh, rectstatew;
+  uint16_t rectstatex0, rectstatey0;
+  uint16_t rectstatex2, rectstatey2;
 
   
-  u16_t eventptr_acked;
-  u16_t eventptr_unacked;
-  u16_t eventptr_next;
+  uint16_t eventptr_acked;
+  uint16_t eventptr_unacked;
+  uint16_t eventptr_next;
 #define VNC_EVENTQUEUE_SIZE 32
   struct vnc_event event_queue[VNC_EVENTQUEUE_SIZE];
   
   
-  u16_t bufferleft;
-  u16_t buffersize;
+  uint16_t bufferleft;
+  uint16_t buffersize;
 #define VNC_BUFFERSIZE 64
-  u8_t buffer[VNC_BUFFERSIZE];
+  uint8_t buffer[VNC_BUFFERSIZE];
 };
 
 extern static struct vnc_viewer_state vnc_viewer_state;
@@ -173,25 +173,25 @@ extern static struct vnc_viewer_state vnc_viewer_state;
 
 /* Generic rectangle - x, y coordinates, width and height. */
 struct rfb_rect {
-  u16_t x;
-  u16_t y;
-  u16_t w;
-  u16_t h;
+  uint16_t x;
+  uint16_t y;
+  uint16_t w;
+  uint16_t h;
 };
 
 /* Pixel format definition. */
 struct rfb_pixel_format {
-  u8_t bps;       /* Bits per pixel: 8, 16 or 32. */
-  u8_t depth;     /* Color depth: 8-32 */
-  u8_t endian;    /* 1 - big endian (motorola), 0 - little endian
+  uint8_t bps;       /* Bits per pixel: 8, 16 or 32. */
+  uint8_t depth;     /* Color depth: 8-32 */
+  uint8_t endian;    /* 1 - big endian (motorola), 0 - little endian
 		     (x86) */
-  u8_t truecolor; /* 1 - true color is used, 0 - true color is not used. */
+  uint8_t truecolor; /* 1 - true color is used, 0 - true color is not used. */
 
   /* The following fields are only used if true color is used. */
-  u16_t red_max, green_max, blue_max;
-  u8_t red_shift, green_shift, blue_shift;
-  u8_t pad1;
-  u16_t pad2;
+  uint16_t red_max, green_max, blue_max;
+  uint8_t red_shift, green_shift, blue_shift;
+  uint8_t pad1;
+  uint16_t pad2;
 };
 
 
@@ -234,94 +234,94 @@ struct rfb_pixel_format {
 /* Server to client messages. */
 
 struct rfb_server_init {
-  u16_t width;
-  u16_t height;
+  uint16_t width;
+  uint16_t height;
   struct rfb_pixel_format format;
-  u8_t namelength[4];
+  uint8_t namelength[4];
   /* Followed by name. */
 };
 
 struct rfb_fb_update {
-  u8_t type;
-  u8_t pad;
-  u16_t rects; /* Number of rectanges (struct rfb_fb_update_rect_hdr +
+  uint8_t type;
+  uint8_t pad;
+  uint16_t rects; /* Number of rectanges (struct rfb_fb_update_rect_hdr +
 		  data) that follows. */
 };
 
 struct rfb_fb_update_rect_hdr {
   struct rfb_rect rect;
-  u8_t encoding[4];
+  uint8_t encoding[4];
 };
 
 struct rfb_copy_rect {
-  u16_t srcx;
-  u16_t srcy;
+  uint16_t srcx;
+  uint16_t srcy;
 };
 
 struct rfb_rre_hdr {
-  u16_t subrects[2];  /* Number of subrectangles (struct
+  uint16_t subrects[2];  /* Number of subrectangles (struct
 			 rfb_rre_subrect) to follow. */
-  u8_t bgpixel;
+  uint8_t bgpixel;
 };
 
 struct rfb_rre_subrect {
-  u8_t pixel;
+  uint8_t pixel;
   struct rfb_rect rect;
 };
 
 struct rfb_corre_rect {
-  u8_t x;
-  u8_t y;
-  u8_t w;
-  u8_t h;
+  uint8_t x;
+  uint8_t y;
+  uint8_t w;
+  uint8_t h;
 };
 
 /* Client to server messages. */
 
 struct rfb_set_pixel_format {
-  u8_t type;
-  u8_t pad;
-  u16_t pad2;
+  uint8_t type;
+  uint8_t pad;
+  uint16_t pad2;
   struct rfb_pixel_format format;
 };
 
 struct rfb_fix_colormap_entries {
-  u8_t type;
-  u8_t pad;
-  u16_t firstcolor;
-  u16_t colors;
+  uint8_t type;
+  uint8_t pad;
+  uint16_t firstcolor;
+  uint16_t colors;
 };
 
 struct rfb_set_encodings {
-  u8_t type;
-  u8_t pad;
-  u16_t encodings;
+  uint8_t type;
+  uint8_t pad;
+  uint16_t encodings;
 };
 
 struct rfb_fb_update_request {
-  u8_t type;
-  u8_t incremental;
-  u16_t x;
-  u16_t y;
-  u16_t w;
-  u16_t h;
+  uint8_t type;
+  uint8_t incremental;
+  uint16_t x;
+  uint16_t y;
+  uint16_t w;
+  uint16_t h;
 };
 
 struct rfb_key_event {
-  u8_t type;
-  u8_t down;
-  u16_t pad;
-  u8_t key[4];
+  uint8_t type;
+  uint8_t down;
+  uint16_t pad;
+  uint8_t key[4];
 };
 
 #define RFB_BUTTON_MASK1 1
 #define RFB_BUTTON_MASK2 2
 #define RFB_BUTTON_MASK3 4
 struct rfb_pointer_event {
-  u8_t type;
-  u8_t buttonmask;
-  u16_t x;
-  u16_t y;
+  uint8_t type;
+  uint8_t buttonmask;
+  uint16_t x;
+  uint16_t y;
 };
 
 #endif /* __VNC_VIEWER_H__ */
diff --git a/apps/vnc/vnc.c b/apps/vnc/vnc.c
index 71be06bd2..2618f423f 100644
--- a/apps/vnc/vnc.c
+++ b/apps/vnc/vnc.c
@@ -125,7 +125,7 @@ static void
 connect(void)
 {
   uip_ipaddr_t addr, *addrptr;
-  u16_t port;
+  uint16_t port;
   char *cptr;
 
   /* Find the first space character in host and put a zero there
diff --git a/apps/webbrowser/htmlparser.c b/apps/webbrowser/htmlparser.c
index c91ff5321..ed5c53e74 100644
--- a/apps/webbrowser/htmlparser.c
+++ b/apps/webbrowser/htmlparser.c
@@ -553,11 +553,11 @@ parse_tag(void)
   }
 }
 /*-----------------------------------------------------------------------------------*/
-static u16_t
-parse_word(char *data, u8_t dlen)
+static uint16_t
+parse_word(char *data, uint8_t dlen)
 {
-  static u8_t i;
-  static u8_t len;
+  static uint8_t i;
+  static uint8_t len;
   unsigned char c;
 
   len = dlen;
@@ -825,15 +825,15 @@ parse_word(char *data, u8_t dlen)
 }
 /*-----------------------------------------------------------------------------------*/
 void
-htmlparser_parse(char *data, u16_t datalen)
+htmlparser_parse(char *data, uint16_t datalen)
 {
-  u16_t plen;
+  uint16_t plen;
   
   while(datalen > 0) {
     if(datalen > 255) {
       plen = parse_word(data, 255);
     } else {
-      plen = parse_word(data, (u8_t)datalen);
+      plen = parse_word(data, (uint8_t)datalen);
     }
     datalen -= plen;
     data += plen;
diff --git a/apps/webbrowser/htmlparser.h b/apps/webbrowser/htmlparser.h
index d5047aedb..6a4e70275 100644
--- a/apps/webbrowser/htmlparser.h
+++ b/apps/webbrowser/htmlparser.h
@@ -73,7 +73,7 @@ void htmlparser_renderstate(unsigned char state);
 
 /* Functions. */
 void htmlparser_init(void);
-void htmlparser_parse(char *data, u16_t len);
+void htmlparser_parse(char *data, uint16_t len);
 
 
 #endif /* __HTMLPARSER_H__ */
diff --git a/apps/webbrowser/webclient.c b/apps/webbrowser/webclient.c
index 5f8f93fa9..3c68d39f5 100644
--- a/apps/webbrowser/webclient.c
+++ b/apps/webbrowser/webclient.c
@@ -58,18 +58,18 @@
 #define ISO_space    0x20
 
 struct webclient_state {
-  u8_t timer;
-  u8_t state;
-  u8_t httpflag;
+  uint8_t timer;
+  uint8_t state;
+  uint8_t httpflag;
 
-  u16_t port;
+  uint16_t port;
   char host[40];
   char file[WWW_CONF_MAX_URLLEN];
-  u16_t getrequestptr;
-  u16_t getrequestleft;
+  uint16_t getrequestptr;
+  uint16_t getrequestleft;
   
   char httpheaderline[200];
-  u16_t httpheaderlineptr;
+  uint16_t httpheaderlineptr;
 
   char mimetype[32];
 };
@@ -117,8 +117,8 @@ init_connection(void)
     sizeof(http_crnl) - 1 +
     sizeof(http_host) - 1 +
     sizeof(http_crnl) - 1 +
-    (u16_t)strlen(http_user_agent_fields) +
-    (u16_t)strlen(s.file) + (u16_t)strlen(s.host);
+    (uint16_t)strlen(http_user_agent_fields) +
+    (uint16_t)strlen(s.file) + (uint16_t)strlen(s.host);
   s.getrequestptr = 0;
 
   s.httpheaderlineptr = 0;
@@ -131,7 +131,7 @@ webclient_close(void)
 }
 /*-----------------------------------------------------------------------------------*/
 unsigned char
-webclient_get(const char *host, u16_t port, const char *file)
+webclient_get(const char *host, uint16_t port, const char *file)
 {
   uip_ipaddr_t addr;
   struct uip_conn *conn;
@@ -212,7 +212,7 @@ window_copy(int curptr, const char *data, unsigned char datalen)
 static void
 senddata(void)
 {
-  u16_t len;
+  uint16_t len;
   int curptr;
   
   if(s.getrequestleft > 0) {
@@ -246,7 +246,7 @@ senddata(void)
 static void
 acked(void)
 {
-  u16_t len;
+  uint16_t len;
   
   if(s.getrequestleft > 0) {
     len = s.getrequestleft > uip_mss()?
@@ -257,8 +257,8 @@ acked(void)
   }
 }
 /*-----------------------------------------------------------------------------------*/
-static u16_t
-parse_statusline(u16_t len)
+static uint16_t
+parse_statusline(uint16_t len)
 {
   char *cptr;
   
@@ -324,8 +324,8 @@ casecmp(char *str1, const char *str2, char len)
   return 0;
 }
 /*-----------------------------------------------------------------------------------*/
-static u16_t
-parse_headers(u16_t len)
+static uint16_t
+parse_headers(uint16_t len)
 {
   char *cptr;
   static unsigned char i;
@@ -393,7 +393,7 @@ parse_headers(u16_t len)
 static void
 newdata(void)
 {
-  u16_t len;
+  uint16_t len;
 
   len = uip_datalen();
 
diff --git a/apps/webbrowser/webclient.h b/apps/webbrowser/webclient.h
index a4a27f5af..40821690c 100644
--- a/apps/webbrowser/webclient.h
+++ b/apps/webbrowser/webclient.h
@@ -43,7 +43,7 @@
 /* Callback functions that have to be implemented by the application
    program. */
 struct webclient_state;
-void webclient_datahandler(char *data, u16_t len);
+void webclient_datahandler(char *data, uint16_t len);
 void webclient_connected(void);
 void webclient_timedout(void);
 void webclient_aborted(void);
@@ -52,7 +52,7 @@ void webclient_closed(void);
 
 /* Functions. */
 void webclient_init(void);
-unsigned char webclient_get(const char *host, u16_t port, const char *file);
+unsigned char webclient_get(const char *host, uint16_t port, const char *file);
 void webclient_close(void);
 
 void webclient_appcall(void *state);
diff --git a/apps/webbrowser/www.c b/apps/webbrowser/www.c
index ed28e145e..915969019 100644
--- a/apps/webbrowser/www.c
+++ b/apps/webbrowser/www.c
@@ -553,7 +553,7 @@ PROCESS_THREAD(www_process, ev, data)
  * text entry widget in the browser window).
  */
 static void
-set_url(char *host, u16_t port, char *file)
+set_url(char *host, uint16_t port, char *file)
 {
   char *urlptr;
 
@@ -636,7 +636,7 @@ webclient_connected(void)
  * has arrived.
  */
 void
-webclient_datahandler(char *data, u16_t len)
+webclient_datahandler(char *data, uint16_t len)
 {
   if(len > 0) {
     if(strcmp(webclient_mimetype(), http_texthtml) == 0) {
diff --git a/apps/webserver-nano/httpd-cgi.c b/apps/webserver-nano/httpd-cgi.c
index 9d62bc5b9..4bfd9432b 100644
--- a/apps/webserver-nano/httpd-cgi.c
+++ b/apps/webserver-nano/httpd-cgi.c
@@ -273,7 +273,7 @@ generate_file_stats(void *arg)
   static const char httpd_cgi_filestat3[] HTTPD_STRING_ATTR = "%5u";
   char tmp[20];
   struct httpd_fsdata_file_noconst *f,fram;
-  u16_t i;
+  uint16_t i;
   unsigned short numprinted;
   /* Transfer arg from whichever flash that contains the html file to RAM */
   httpd_fs_cpy(&tmp, s->u.ptr, 20);
diff --git a/apps/webserver-nano/httpd-fs.c b/apps/webserver-nano/httpd-fs.c
index c408c1294..3fb5ac30d 100644
--- a/apps/webserver-nano/httpd-fs.c
+++ b/apps/webserver-nano/httpd-fs.c
@@ -43,7 +43,7 @@
 #include "httpd-fsdata.c"
 
 #if WEBSERVER_CONF_FILESTATS==1
-u16_t httpd_filecount[HTTPD_FS_NUMFILES];
+uint16_t httpd_filecount[HTTPD_FS_NUMFILES];
 #endif
 /*-----------------------------------------------------------------------------------*/
 void *
@@ -52,7 +52,7 @@ httpd_fs_get_root()
   return (void *)HTTPD_FS_ROOT;
 }
 /*-----------------------------------------------------------------------------------*/
-u16_t
+uint16_t
 httpd_fs_get_size()
 {
   return HTTPD_FS_SIZE;
@@ -62,7 +62,7 @@ uint16_t
 httpd_fs_open(const char *name, struct httpd_fs_file *file)
 {
 #if WEBSERVER_CONF_FILESTATS
-  u16_t i = 0;
+  uint16_t i = 0;
 #endif
   struct httpd_fsdata_file_noconst *f,fram;
 
@@ -105,7 +105,7 @@ void
 httpd_fs_init(void)
 {
 #if WEBSERVER_CONF_FILESTATS==1
-  u16_t i;
+  uint16_t i;
   for(i = 0; i < HTTPD_FS_NUMFILES; i++) {
     httpd_filecount[i] = 0;
   }
@@ -113,11 +113,11 @@ httpd_fs_init(void)
 }
 /*-----------------------------------------------------------------------------------*/
 #if WEBSERVER_CONF_FILESTATS && 0
-u16_t
+uint16_t
 httpd_fs_count(char *name)
 {
   struct httpd_fsdata_file_noconst *f;
-  u16_t i;
+  uint16_t i;
 
   i = 0;
   for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
diff --git a/apps/webserver-nano/httpd-fs.h b/apps/webserver-nano/httpd-fs.h
index de44abee7..49a8778ab 100644
--- a/apps/webserver-nano/httpd-fs.h
+++ b/apps/webserver-nano/httpd-fs.h
@@ -44,8 +44,8 @@ struct httpd_fs_file {
 uint16_t httpd_fs_open(const char *name, struct httpd_fs_file *file);
 
 #if WEBSERVER_CONF_FILESTATS
-extern u16_t httpd_filecount[];
-u16_t httpd_fs_count(char *name);
+extern uint16_t httpd_filecount[];
+uint16_t httpd_fs_count(char *name);
 void* httpd_fs_get_root(void);
 #endif
 
diff --git a/apps/webserver-nano/httpd-fsdata.c b/apps/webserver-nano/httpd-fsdata.c
index 8f211b437..486bbdc3d 100644
--- a/apps/webserver-nano/httpd-fsdata.c
+++ b/apps/webserver-nano/httpd-fsdata.c
@@ -101,7 +101,7 @@ struct httpd_fsdata_file {
    const char *data;                     //offset to coffee file data
    const int len;                        //length of file data
 #if HTTPD_FS_STATISTICS == 1             //not enabled since list is in PROGMEM
-   u16_t count;                          //storage for file statistics
+   uint16_t count;                       //storage for file statistics
 #endif
 }
 */
diff --git a/apps/webserver-nano/httpd-fsdata.h b/apps/webserver-nano/httpd-fsdata.h
index 0d514bacf..c77fdd65d 100644
--- a/apps/webserver-nano/httpd-fsdata.h
+++ b/apps/webserver-nano/httpd-fsdata.h
@@ -44,7 +44,7 @@ struct httpd_fsdata_file {
   const int len;
 #ifdef HTTPD_FS_STATISTICS
 #if HTTPD_FS_STATISTICS == 1
-  u16_t count;
+  uint16_t count;
 #endif /* HTTPD_FS_STATISTICS */
 #endif /* HTTPD_FS_STATISTICS */
 };
@@ -56,7 +56,7 @@ struct httpd_fsdata_file_noconst {
   int len;
 #ifdef HTTPD_FS_STATISTICS
 #if HTTPD_FS_STATISTICS == 1
-  u16_t count;
+  uint16_t count;
 #endif /* HTTPD_FS_STATISTICS */
 #endif /* HTTPD_FS_STATISTICS */
 };
diff --git a/apps/webserver/httpd-fs.c b/apps/webserver/httpd-fs.c
index e0909f633..c09131099 100644
--- a/apps/webserver/httpd-fs.c
+++ b/apps/webserver/httpd-fs.c
@@ -41,14 +41,14 @@
 #include "httpd-fsdata.c"
 
 #if HTTPD_FS_STATISTICS
-static u16_t count[HTTPD_FS_NUMFILES];
+static uint16_t count[HTTPD_FS_NUMFILES];
 #endif /* HTTPD_FS_STATISTICS */
 
 /*-----------------------------------------------------------------------------------*/
-static u8_t
+static uint8_t
 httpd_fs_strcmp(const char *str1, const char *str2)
 {
-  u8_t i;
+  uint8_t i;
   i = 0;
 
 loop:
@@ -70,7 +70,7 @@ int
 httpd_fs_open(const char *name, struct httpd_fs_file *file)
 {
 #if HTTPD_FS_STATISTICS
-  u16_t i = 0;
+  uint16_t i = 0;
 #endif /* HTTPD_FS_STATISTICS */
   struct httpd_fsdata_file_noconst *f;
 
@@ -98,7 +98,7 @@ void
 httpd_fs_init(void)
 {
 #if HTTPD_FS_STATISTICS
-  u16_t i;
+  uint16_t i;
   for(i = 0; i < HTTPD_FS_NUMFILES; i++) {
     count[i] = 0;
   }
@@ -106,11 +106,11 @@ httpd_fs_init(void)
 }
 /*-----------------------------------------------------------------------------------*/
 #if HTTPD_FS_STATISTICS
-u16_t
+uint16_t
 httpd_fs_count(char *name)
 {
   struct httpd_fsdata_file_noconst *f;
-  u16_t i;
+  uint16_t i;
 
   i = 0;
   for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
diff --git a/apps/webserver/httpd-fs.h b/apps/webserver/httpd-fs.h
index 9abed703c..f61b691ae 100644
--- a/apps/webserver/httpd-fs.h
+++ b/apps/webserver/httpd-fs.h
@@ -50,7 +50,7 @@ int httpd_fs_open(const char *name, struct httpd_fs_file *file);
 
 #ifdef HTTPD_FS_STATISTICS
 #if HTTPD_FS_STATISTICS == 1  
-u16_t httpd_fs_count(char *name);
+uint16_t httpd_fs_count(char *name);
 #endif /* HTTPD_FS_STATISTICS */
 #endif /* HTTPD_FS_STATISTICS */
 
diff --git a/apps/webserver/httpd-fsdata.h b/apps/webserver/httpd-fsdata.h
index 0d514bacf..c77fdd65d 100644
--- a/apps/webserver/httpd-fsdata.h
+++ b/apps/webserver/httpd-fsdata.h
@@ -44,7 +44,7 @@ struct httpd_fsdata_file {
   const int len;
 #ifdef HTTPD_FS_STATISTICS
 #if HTTPD_FS_STATISTICS == 1
-  u16_t count;
+  uint16_t count;
 #endif /* HTTPD_FS_STATISTICS */
 #endif /* HTTPD_FS_STATISTICS */
 };
@@ -56,7 +56,7 @@ struct httpd_fsdata_file_noconst {
   int len;
 #ifdef HTTPD_FS_STATISTICS
 #if HTTPD_FS_STATISTICS == 1
-  u16_t count;
+  uint16_t count;
 #endif /* HTTPD_FS_STATISTICS */
 #endif /* HTTPD_FS_STATISTICS */
 };