Do not print error message for errno when showing the usage string. Use the same usage string in the two places where the usage is printed.
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2662c87d60
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9b801b59c7
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@ -29,7 +29,7 @@
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*
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* This file is part of the uIP TCP/IP stack.
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*
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* $Id: tapslip6.c,v 1.2 2009/11/02 11:46:49 adamdunkels Exp $
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* $Id: tapslip6.c,v 1.3 2009/11/03 14:00:28 nvt-se Exp $
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*
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*/
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@ -64,6 +64,8 @@ void write_to_serial(int outfd, void *inbuf, int len);
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//#define PROGRESS(s) fprintf(stderr, s)
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#define PROGRESS(s) do { } while (0)
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#define USAGE_STRING "usage: tapslip6 [-B baudrate] [-s siodev] [-t tundev] ipaddress netmask"
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char tundev[32] = { "tap0" };
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int
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@ -512,7 +514,7 @@ main(int argc, char **argv)
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case '?':
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case 'h':
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default:
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err(1, "usage: tapslip6 [-B baudrate] [-s siodev] [-t tundev] ipaddress netmask");
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errx(1, USAGE_STRING);
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break;
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}
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}
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@ -520,7 +522,7 @@ main(int argc, char **argv)
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argv += (optind - 1);
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if(argc != 3 && argc != 4) {
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err(1, "usage: tapslip6 [-s siodev] [-t tundev] ipaddress netmask ");
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errx(1, USAGE_STRING);
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}
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ipaddr = argv[1];
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netmask = argv[2];
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