sbase/printenv.c
FRIGN eee98ed3a4 Fix coding style
It was about damn time. Consistency is very important in such a
big codebase.
2014-11-13 18:08:43 +00:00

38 lines
481 B
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include "util.h"
extern char **environ;
static void
usage(void)
{
eprintf("usage: %s [variable...]\n", argv0);
}
int
main(int argc, char *argv[])
{
char *var;
ARGBEGIN {
default:
usage();
} ARGEND;
if (argc == 1) {
while (*environ)
printf("%s\n", *environ++);
return 0;
}
while(*++argv) {
if ((var = getenv(*argv)))
printf("%s\n", var);
}
return 0;
}