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/* vi: set sw=4 ts=4:
* tty.c - print terminal name of stdin
*
* Copyright 2007 Charlie Shepherd <masterdriverz@gentoo.org>
*
* See http://www.opengroup.org/onlinepubs/009695399/utilities/tty.html
USE_TTY(NEWTOY(tty, "s", TOYFLAG_BIN))
config TTY
bool "tty"
default y
help
Print the filename of the terminal connected to standard input.
-s Don't print anything, only return an exit status.
*/
#include "toys.h"
void tty_main(void)
{
char *name = ttyname(0);
if (!toys.optflags) {
if (name) puts(name);
else puts("Not a tty");
}
toys.exitval = !name;
}
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