ref: f9a9d1272e0e6dc773cd2faa592ba0a4bb42d8f5 dir: /sys/src/cmd/bzip2/lib/unix.h/
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <signal.h> #include <math.h> #include <errno.h> #include <ctype.h>