ref: fa7529962867e6d1025e1666fed3afb018bfa2c3 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; }