ack/lang/pc/libpc/popen.c
2018-06-17 22:30:27 +02:00

38 lines
825 B
C

/* $Id$ */
/*
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
*
* This product is part of the Amsterdam Compiler Kit.
*
* Permission to use, sell, duplicate or disclose this software must be
* obtained in writing. Requests for such permissions may be sent to
*
* Dr. Andrew S. Tanenbaum
* Wiskundig Seminarium
* Vrije Universiteit
* Postbox 7161
* 1007 MC Amsterdam
* The Netherlands
*
*/
/* Author: J.W. Stevenson */
#include "fcntl.h"
#include "pc.h"
/* procedure popen(var f:text; s:string); */
void popen(struct file* f, char* s)
{
_cls(f); /* initializes _curfil */
f->ptr = f->bufadr;
f->flags = TXTBIT | MAGIC;
f->fname = s;
f->size = 1;
f->count = 0;
f->buflen = PC_BUFLEN;
if ((f->ufd = open(s, 0)) < 0)
_trp(ERESET);
}