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/* Copyright (C) 1991,92,93,94,95,96,97,2002 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, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

/*

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

 */

#ifndef _ERRNO_H

/* The includer defined __need_Emath if he wants only the definitions

   of EDOM and ERANGE, and not everything else.  */

#ifndef __need_Emath

# define _ERRNO_H       1

# include <features.h>

#endif

__BEGIN_DECLS

/* Get the error number constants from the system-specific file.

   This file will test __need_Emath and _ERRNO_H.  */

#include <bits/errno.h>

#undef  __need_Emath

#ifdef  _ERRNO_H

/* Declare the `errno' variable, unless it's defined as a macro by

   bits/errno.h.  This is the case in GNU, where it is a per-thread

   variable.  This redeclaration using the macro still works, but it

   will be a function declaration without a prototype and may trigger

   a -Wstrict-prototypes warning.  */

#ifndef errno

extern int errno;

#endif

#if defined __USE_GNU && defined __UCLIBC_HAS_PROGRAM_INVOCATION_NAME__

/* 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] (this works only if you use GNU ld).  */

extern char *program_invocation_name, *program_invocation_short_name;

#endif /* __USE_GNU */

#endif /* _ERRNO_H */

__END_DECLS

#if defined _LIBC && ( defined IS_IN_libc || defined NOT_IN_libc )

#include <bits/uClibc_errno.h>

#endif

#endif /* _ERRNO_H */

/* The Hurd <bits/errno.h> defines `error_t' as an enumerated type so

   that printing `error_t' values in the debugger shows the names.  We

   might need this definition sometimes even if this file was included

   before.  */

#if defined __USE_GNU || defined __need_error_t

# ifndef __error_t_defined

typedef int error_t;

#  define __error_t_defined     1

# endif

# undef __need_error_t

#endif