ref: 50791b875552b0dc5748aa67c95776736f6ff4b7
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; }