diff --git a/apps/webbrowser/htmlparser.c b/apps/webbrowser/htmlparser.c
index 0d0c5a7f2..377ab4910 100644
--- a/apps/webbrowser/htmlparser.c
+++ b/apps/webbrowser/htmlparser.c
@@ -29,7 +29,7 @@
  *
  * This file is part of the Contiki desktop environment 
  *
- * $Id: htmlparser.c,v 1.1 2006/06/17 22:41:13 adamdunkels Exp $
+ * $Id: htmlparser.c,v 1.2 2006/08/14 23:31:40 oliverschmidt Exp $
  *
  */
 
@@ -412,7 +412,7 @@ parse_tag(void)
       newline();
       add_char(ISO_rbrack);
       do_word();
-      htmlparser_link((char *)html_frame, strlen(html_frame), s.tagattrparam);
+      htmlparser_link((char *)html_frame, (unsigned char)strlen(html_frame), s.tagattrparam);
       PRINTF(("Frame [%s]\n", s.tagattrparam));
       add_char(ISO_lbrack);
       newline();
@@ -843,7 +843,7 @@ htmlparser_parse(char *data, u16_t datalen)
     if(datalen > 255) {
       plen = parse_word(data, 255);
     } else {
-      plen = parse_word(data, datalen);
+      plen = parse_word(data, (u8_t)datalen);
     }
     datalen -= plen;
     data += plen;
diff --git a/apps/webbrowser/webclient.c b/apps/webbrowser/webclient.c
index 0ae403898..5e8a7d02f 100644
--- a/apps/webbrowser/webclient.c
+++ b/apps/webbrowser/webclient.c
@@ -29,7 +29,7 @@
  *
  * This file is part of the "contiki" web browser.
  *
- * $Id: webclient.c,v 1.1 2006/06/17 22:41:14 adamdunkels Exp $
+ * $Id: webclient.c,v 1.2 2006/08/14 23:32:29 oliverschmidt Exp $
  *
  */
 
@@ -116,8 +116,8 @@ init_connection(void)
     sizeof(http_crnl) - 1 +
     sizeof(http_host) - 1 +
     sizeof(http_crnl) - 1 +
-    strlen(http_user_agent_fields) +
-    strlen(s.file) + strlen(s.host);
+    (u16_t)strlen(http_user_agent_fields) +
+    (u16_t)strlen(s.file) + (u16_t)strlen(s.host);
   s.getrequestptr = 0;
 
   s.httpheaderlineptr = 0;
@@ -146,7 +146,7 @@ webclient_get(char *host, u16_t port, char *file)
     }
   }
   
-  conn = tcp_connect(ipaddr, htons(port), NULL);
+  conn = tcp_connect((uip_ipaddr_t *)ipaddr, htons(port), NULL);
   
   if(conn == NULL) {
     return 0;
@@ -178,18 +178,18 @@ senddata(void)
     cptr = getrequest = (char *)uip_appdata;
 
     cptr = copy_string(cptr, http_get, sizeof(http_get) - 1);
-    cptr = copy_string(cptr, s.file, strlen(s.file));
+    cptr = copy_string(cptr, s.file, (unsigned char)strlen(s.file));
     *cptr++ = ISO_space;
     cptr = copy_string(cptr, http_10, sizeof(http_10) - 1);
 
     cptr = copy_string(cptr, http_crnl, sizeof(http_crnl) - 1);
     
     cptr = copy_string(cptr, http_host, sizeof(http_host) - 1);
-    cptr = copy_string(cptr, s.host, strlen(s.host));
+    cptr = copy_string(cptr, s.host, (unsigned char)strlen(s.host));
     cptr = copy_string(cptr, http_crnl, sizeof(http_crnl) - 1);
 
     cptr = copy_string(cptr, http_user_agent_fields,
-		       strlen(http_user_agent_fields));
+		       (unsigned char)strlen(http_user_agent_fields));
     
     len = s.getrequestleft > uip_mss()?
       uip_mss():
diff --git a/apps/webbrowser/www.c b/apps/webbrowser/www.c
index 227c3bd6f..0d3e38b82 100644
--- a/apps/webbrowser/www.c
+++ b/apps/webbrowser/www.c
@@ -29,7 +29,7 @@
  *
  * This file is part of the Contiki desktop environment
  *
- * $Id: www.c,v 1.1 2006/06/17 22:41:14 adamdunkels Exp $
+ * $Id: www.c,v 1.2 2006/08/14 23:33:26 oliverschmidt Exp $
  *
  */
 
@@ -41,6 +41,7 @@
 #include "htmlparser.h"
 #include "http-strings.h"
 
+#include "sys/arg.h"
 #include "lib/petsciiconv.h"
 
 #include "program-handler.h"
@@ -853,7 +854,7 @@ htmlparser_submitbutton(char *text, char *name,
 {
   register struct formattribs *form;
   
-  form = add_pagewidget(text, strlen(text), CTK_WIDGET_BUTTON, 1);
+  form = add_pagewidget(text, (unsigned char)strlen(text), CTK_WIDGET_BUTTON, 1);
   if(form != NULL) {
     strncpy(form->formaction, formaction, WWW_CONF_MAX_FORMACTIONLEN);
     strncpy(form->formname, formname, WWW_CONF_MAX_FORMNAMELEN);
@@ -870,7 +871,7 @@ htmlparser_inputfield(char *text, char *name,
 {
   register struct formattribs *form;
 
-  form = add_pagewidget(text, strlen(text), CTK_WIDGET_TEXTENTRY, 1);
+  form = add_pagewidget(text, (unsigned char)strlen(text), CTK_WIDGET_TEXTENTRY, 1);
   if(form != NULL) {
     strncpy(form->formaction, formaction, WWW_CONF_MAX_FORMACTIONLEN);
     strncpy(form->formname, formname, WWW_CONF_MAX_FORMNAMELEN);
diff --git a/core/net/resolv.c b/core/net/resolv.c
index ddcefc5b1..831a43da5 100644
--- a/core/net/resolv.c
+++ b/core/net/resolv.c
@@ -57,7 +57,7 @@
  *
  * This file is part of the uIP TCP/IP stack.
  *
- * $Id: resolv.c,v 1.2 2006/08/09 16:13:39 bg- Exp $
+ * $Id: resolv.c,v 1.3 2006/08/14 23:37:21 oliverschmidt Exp $
  *
  */
 
@@ -262,7 +262,7 @@ newdata(void)
 
   /* The ID in the DNS header should be our entry into the name
      table. */
-  i = htons(hdr->id);
+  i = (u8_t)htons(hdr->id);
   namemapptr = &names[i];
   if(i < RESOLV_ENTRIES &&
      namemapptr->state == STATE_ASKING) {
@@ -280,8 +280,8 @@ newdata(void)
 
     /* We only care about the question(s) and the answers. The authrr
        and the extrarr are simply discarded. */
-    nquestions = htons(hdr->numquestions);
-    nanswers = htons(hdr->numanswers);
+    nquestions = (u8_t)htons(hdr->numquestions);
+    nanswers = (u8_t)htons(hdr->numanswers);
 
     /* Skip the name in the question. XXX: This should really be
        checked agains the name in the question, to be sure that they