ref: 1b93241842ebf1e5a7efaf62b1fcaf02a7c6d4e5 dir: /lib/c/include/errno.h/
#ifndef _ERRNO_H #define _ERRNO_H #define EDOM 1 #define EILSEQ 2 #define ERANGE 3 #define ENOMEN 4 extern int errno; #endif