/* See LICENSE file for copyright and license details. */ | |
#include <stdio.h> | |
#include <unistd.h> | |
#include "util.h" | |
static void | |
usage(void) | |
{ | |
eprintf("usage: %s\n", argv0); | |
} | |
int | |
main(int argc, char *argv[]) | |
{ | |
char *tty; | |
argv0 = argv[0], argc--, argv++; | |
if (argc) | |
usage(); | |
tty = ttyname(STDIN_FILENO); | |
puts(tty ? tty : "not a tty"); | |
return fshut(stdout, "<stdout>") || !tty; | |
} |