69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
/*
|
|
* ANSI Standard: 4.1.3 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 <errnos.h>
|
|
#undef __need_Emath
|
|
|
|
#ifdef _ERRNO_H
|
|
|
|
/* Declare the `errno' variable, unless it's defined as a macro by
|
|
errnos.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
|
|
|
|
#ifdef __USE_GNU
|
|
|
|
/* The Hurd <errnos.h> defines `error_t' as an enumerated type
|
|
so that printing `error_t' values in the debugger shows the names. */
|
|
#ifndef __error_t_defined
|
|
typedef int error_t;
|
|
#define __error_t_defined 1
|
|
#endif
|
|
|
|
/* 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
|
|
|
|
#endif /* errno.h */
|