sbase/echo.c
FRIGN 0226c05105 Audit printenv(1)
1) argc style
2) safeguard argv-loop as already seen in echo(1) with argc-decrement.
2015-02-28 21:47:17 +01:00

32 lines
402 B
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s [-n] [string ...]\n", argv0);
}
int
main(int argc, char *argv[])
{
int nflag = 0;
ARGBEGIN {
case 'n':
nflag = 1;
break;
default:
usage();
} ARGEND;
for (; argc > 0; argc--, argv++)
putword(*argv);
if (!nflag)
putchar('\n');
return 0;
}