minix/lib/libp/mdl.c
2005-04-21 14:53:53 +00:00

33 lines
647 B
C
Executable file

/* $Header$ */
/*
* (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_err.h>
extern _trp();
long _mdl(j,i) long j,i; {
if (j <= 0)
_trp(EMOD);
i = i % j;
if (i < 0)
i += j;
return(i);
}