/* Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

/*

 *	ISO C99 Standard: 7.5 Errors	<errno.h>

 */

#ifndef	_ERRNO_H

#define	_ERRNO_H 1

#include <features.h>

/* The system-specific definitions of the E* constants, as macros.  */

#include <bits/errno.h>

/* When included from assembly language, this header only provides the

   E* constants.  */

#ifndef __ASSEMBLER__

__BEGIN_DECLS

/* The error code set by various library functions.  */

extern int *__errno_location (void) __THROW __attribute_const__;

# define errno (*__errno_location ())

# ifdef __USE_GNU

/* The full and simple forms of the name with which the program was

   invoked.  These variables are set up automatically at startup based on

   the value of argv[0].  */

extern char *program_invocation_name;

extern char *program_invocation_short_name;

#include <bits/types/error_t.h>

# endif /* __USE_GNU */

__END_DECLS

#endif /* !__ASSEMBLER__ */

#endif /* errno.h */