Where Online Learning is simpler!

The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/bits/errno.h


$ cat -n /usr/include/x86_64-linux-gnu/bits/errno.h

     1	/* Error constants.  Linux specific version.
     2	   Copyright (C) 1996-2024 Free Software Foundation, Inc.
     3	   This file is part of the GNU C Library.
     4	
     5	   The GNU C Library is free software; you can redistribute it and/or
     6	   modify it under the terms of the GNU Lesser General Public
     7	   License as published by the Free Software Foundation; either
     8	   version 2.1 of the License, or (at your option) any later version.
     9	
    10	   The GNU C Library is distributed in the hope that it will be useful,
    11	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    12	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13	   Lesser General Public License for more details.
    14	
    15	   You should have received a copy of the GNU Lesser General Public
    16	   License along with the GNU C Library; if not, see
    17	   <https://www.gnu.org/licenses/>.  */
    18	
    19	#ifndef _BITS_ERRNO_H
    20	#define _BITS_ERRNO_H 1
    21	
    22	#if !defined _ERRNO_H
    23	# error "Never include <bits/errno.h> directly; use <errno.h> instead."
    24	#endif
    25	
    26	# include <linux/errno.h>
    27	
    28	/* Older Linux headers do not define these constants.  */
    29	# ifndef ENOTSUP
    30	#  define ENOTSUP		EOPNOTSUPP
    31	# endif
    32	
    33	# ifndef ECANCELED
    34	#  define ECANCELED		125
    35	# endif
    36	
    37	# ifndef EOWNERDEAD
    38	#  define EOWNERDEAD		130
    39	# endif
    40	
    41	#ifndef ENOTRECOVERABLE
    42	#  define ENOTRECOVERABLE	131
    43	# endif
    44	
    45	# ifndef ERFKILL
    46	#  define ERFKILL		132
    47	# endif
    48	
    49	# ifndef EHWPOISON
    50	#  define EHWPOISON		133
    51	# endif
    52	
    53	#endif /* bits/errno.h.  */