ref: 6a78bb2e4f00581d85de1c5f9949782de3dd8933
dir: /sys/src/libsec/port/fastrand.c/
#include "os.h" #include <libsec.h> /* * use the X917 random number generator to create random * numbers (faster than truerand() but not as random). */ ulong fastrand(void) { ulong x; genrandom((uchar*)&x, sizeof x); return x; }