42 lines
887 B
C
42 lines
887 B
C
|
/* $Header$ */
|
||
|
/*
|
||
|
* (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 <pc_file.h>
|
||
|
#include <pc_err.h>
|
||
|
|
||
|
extern _cls();
|
||
|
extern _trp();
|
||
|
extern int _open();
|
||
|
|
||
|
/* procedure popen(var f:text; s:string); */
|
||
|
|
||
|
popen(f,s) 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);
|
||
|
}
|