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We use environ so declare it

This commit is contained in:
sin 2013-10-18 10:33:02 +01:00
parent 86566f4ceb
commit f7bfe68a9e
1 changed files with 8 additions and 1 deletions
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9
su.c
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@ -10,12 +10,16 @@
#include <stdlib.h>
#include "util.h"
extern char **environ;
static void
usage(void)
{
eprintf("usage: %s [username]\n", argv0);
eprintf("usage: %s [-l] [username]\n", argv0);
}
static int lflag = 0;
int
main(int argc, char **argv)
{
@ -27,6 +31,9 @@ main(int argc, char **argv)
int i;
ARGBEGIN {
case 'l':
lflag = 1;
break;
default:
usage();
} ARGEND;