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

/*
 * Copyright (c) 1988 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	5.6 (Berkeley) %G%";
#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);
}
Commit	Line	Data
b5799bf2	1	/*
81627469 KB	2	* Copyright (c) 1988 The Regents of the University of California.
	3	* All rights reserved.
	4	*
269a7923	5	* %sccs.include.redist.c%
b5799bf2 BJ	6	*/
b5799bf2 BJ	7
81627469	8	#if defined(LIBC_SCCS) && !defined(lint)
c5980113	9	static char sccsid[] = "@(#)isatty.c 5.6 (Berkeley) %G%";
81627469 KB	10	#endif /* LIBC_SCCS and not lint */
81627469 KB	11
8ff9d8b5	12	#include <termios.h>
c5980113	13	#include <unistd.h>
b5799bf2	14
c5980113	15	int
81627469 KB	16	isatty(fd)
81627469 KB	17	int fd;
b5799bf2	18	{
8ff9d8b5	19	struct termios t;
b5799bf2	20
8ff9d8b5	21	return(tcgetattr(fd, &t) != -1);
b5799bf2	22	}