41 lines
		
	
	
	
		
			887 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			41 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);
 | 
						|
}
 |