ref: 1e3dd27b9b1dcd2c8f16a0f51effaade0e12c227 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