1 b2cfc4e2 2003-09-30 devnull #include <lib9.h>
 2 b2cfc4e2 2003-09-30 devnull 
 3 b2cfc4e2 2003-09-30 devnull #define	MASK	0x7fffffffL
 4 b2cfc4e2 2003-09-30 devnull 
 5 b2cfc4e2 2003-09-30 devnull int
 6 b2cfc4e2 2003-09-30 devnull nrand(int n)
 7 b2cfc4e2 2003-09-30 devnull {
 8 b2cfc4e2 2003-09-30 devnull 	long slop, v;
 9 b2cfc4e2 2003-09-30 devnull 
10 b2cfc4e2 2003-09-30 devnull 	if(n < 0)
11 b2cfc4e2 2003-09-30 devnull 		return n;
12 b2cfc4e2 2003-09-30 devnull 	slop = MASK % n;
13 b2cfc4e2 2003-09-30 devnull 	do
14 b2cfc4e2 2003-09-30 devnull 		v = lrand();
15 b2cfc4e2 2003-09-30 devnull 	while(v <= slop);
16 b2cfc4e2 2003-09-30 devnull 	return v % n;
17 b2cfc4e2 2003-09-30 devnull }