head	1.7;
access;
symbols;
locks; strict;
comment	@ * @;


1.7
date	93.02.26.21.56.04;	author jromine;	state Exp;
branches;
next	1.6;

1.6
date	92.12.15.00.20.22;	author jromine;	state Exp;
branches;
next	1.5;

1.5
date	92.12.14.17.36.16;	author jromine;	state Exp;
branches;
next	1.4;

1.4
date	90.04.05.15.31.32;	author sources;	state Exp;
branches;
next	1.3;

1.3
date	90.04.05.14.45.54;	author sources;	state Exp;
branches;
next	1.2;

1.2
date	90.02.05.15.01.21;	author sources;	state Exp;
branches;
next	1.1;

1.1
date	90.02.05.15.01.16;	author sources;	state Exp;
branches;
next	;


desc
@@


1.7
log
@386BSD/BSD44
@
text
@/* discard.c - discard output on a file pointer */
#ifndef	lint
static char ident[] = "@@(#)$Id: discard.c,v 1.6 1992/12/15 00:20:22 jromine Exp jromine $";
#endif	/* lint */

#include "../h/mh.h"
#include <stdio.h>
#ifdef POSIX
#include <termios.h>
#else
#ifndef	SYS5
#include <sgtty.h>
#else	/* SYS5 */
#include <sys/types.h>
#include <termio.h>
#ifndef	NOIOCTLH
#include <sys/ioctl.h>
#endif	/* NOIOCTLH */
#endif	/* SYS5 */
#endif	/* POSIX */


void	discard (io)
FILE   *io;
{
#ifndef POSIX
#ifndef	SYS5
    struct sgttyb   sg;
#else	/* SYS5 */
    struct termio   sg;
#endif	/* SYS5 */
#endif	/* POSIX */

    if (io == NULL)
	return;

#ifdef POSIX
    tcflush (fileno (io), TCOFLUSH);
#else
#ifndef	SYS5
    if (ioctl (fileno (io), TIOCGETP, (char *) &sg) != NOTOK)
	(void) ioctl (fileno (io), TIOCSETP, (char *) &sg);
#else	/* SYS5 */
    if (ioctl (fileno (io), TCGETA, &sg) != NOTOK)
	(void) ioctl (fileno (io), TCSETA, &sg);
#endif	/* SYS5 */
#endif	/* POSIX */

#ifdef _FSTDIO
    fpurge (io);
#else
    if (io -> _ptr = io -> _base)
	io -> _cnt = 0;
#endif
}
@


1.6
log
@endif sugar
@
text
@d3 1
a3 1
static char ident[] = "@@(#)$Id: discard.c,v 1.5 1992/12/14 17:36:16 jromine Exp jromine $";
d8 3
d20 1
d26 1
d32 1
d37 3
d47 1
d49 3
d54 1
@


1.5
log
@*** empty log message ***
@
text
@d3 2
a4 2
static char ident[] = "@@(#)$Id: discard.c,v 1.4 90/04/05 15:31:32 sources Exp $";
#endif	lint
d10 1
a10 1
#else	SYS5
d15 2
a16 2
#endif	NOIOCTLH
#endif	SYS5
d24 1
a24 1
#else	SYS5
d26 1
a26 1
#endif	SYS5
d34 1
a34 1
#else	SYS5
d37 1
a37 1
#endif	SYS5
@


1.4
log
@add ID
@
text
@d3 1
a3 1
static char ident[] = "@@(#)$Id:$";
@


1.3
log
@add ID
@
text
@d3 1
a3 1
static char ident[] = "$Id:";
@


1.2
log
@*** empty log message ***
@
text
@d2 3
@


1.1
log
@Initial revision
@
text
@d10 1
d12 1
@