ref: f482bbbc27c14ba303837d0480f0678c8f9f4a9d
dir: /lib/c/include/errno.h/
#ifndef _ERRNO_H #define _ERRNO_H #define EDOM 1 #define EILSEQ 2 #define ERANGE 3 #define ENOMEM 4 #define EBADF 5 extern int errno; extern char *_sys_errlist[]; extern int _sys_nerr; #endif