/*
 * Copyright (c) 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)isatty.c	8.1 (Berkeley) 06/04/93";
#endif /* LIBC_SCCS and not lint */

#include <termios.h>
#include <unistd.h>

int
isatty(fd)
	int fd;
{
	struct termios t;

	return(tcgetattr(fd, &t) != -1);
}