ftp.nice.ch/pub/next/unix/mail/mh.6.7.s.tar.gz#/mh/sbr/discard.c

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/* discard.c - discard output on a file pointer */

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


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

    if (io == NULL)
	return;

#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

    if (io -> _ptr = io -> _base)
	io -> _cnt = 0;
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.