[unix-history] / usr / src / lib / libc / gen / isatty.c

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)isatty.c	5.2 (Berkeley) %G%";
#endif LIBC_SCCS and not lint

/*
 * Returns 1 iff file is a tty
 */

#include <sgtty.h>

isatty(f)
{
	struct sgttyb ttyb;

	if (ioctl(f, TIOCGETP, &ttyb) < 0)
		return(0);
	return(1);
}
Commit	Line	Data
2ce81398 DS	1	#if defined(LIBC_SCCS) && !defined(lint)
	2	static char sccsid[] = "@(#)isatty.c 5.2 (Berkeley) %G%";
	3	#endif LIBC_SCCS and not lint
b8f253e8	4
b5799bf2 BJ	5	/*
	6	* Returns 1 iff file is a tty
	7	*/
	8
	9	#include <sgtty.h>
	10
	11	isatty(f)
	12	{
	13	struct sgttyb ttyb;
	14
f508597f	15	if (ioctl(f, TIOCGETP, &ttyb) < 0)
b5799bf2 BJ	16	return(0);
	17	return(1);
	18	}