ref: 7bf8c43ed5c66b80bb4c9b1ac1c6fdcfe72b9f19
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