code: drawterm

ref: c0bdcc5a8543e1da29aa3fa584e6b8b7b27e1d5d
dir: /libc/nrand.c/

#include	<u.h>
#include	<libc.h>

#define	MASK	0x7fffffffL

int
nrand(int n)
{
	long slop, v;

	if(n < 0)
		return n;
	slop = MASK % n;
	do
		v = lrand();
	while(v <= slop);
	return v % n;
}