ref: 1f83e0681d7b05dfdcc6b24c1b97add6750751d6
dir: /include/unix.h/
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #include <fcntl.h> #include <setjmp.h> #include <time.h> #include <assert.h> #include <unistd.h> #include <stdarg.h> typedef long long p9_vlong; typedef unsigned long long p9_uvlong;