minix/lib/ack/libp/wdw.c
2009-11-09 10:26:00 +00:00

30 lines
674 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
*
*/
#include <pc_file.h>
extern struct file *_curfil;
extern _incpt();
char *_wdw(f) struct file *f; {
_curfil = f;
if ((f->flags & (WINDOW|WRBIT|0377)) == MAGIC)
_incpt(f);
return(f->ptr);
}