1 /* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
20 * ANSI Standard: 4.1.3 Errors <errno.h>
25 /* The includer defined __need_Emath if he wants only the definitions
26 of EDOM and ERANGE, and not everything else. */
34 /* Get the error number constants from the system-specific file.
35 This file will test __need_Emath and _ERRNO_H. */
40 /* Declare the `errno' variable, unless it's defined as a macro by
41 errnos.h. This is the case in GNU, where it is a per-thread variable.
42 This redeclaration using the macro still works, but it will be a
43 function declaration without a prototype and may trigger a
44 -Wstrict-prototypes warning. */
51 /* The Hurd <errnos.h> defines `error_t' as an enumerated type
52 so that printing `error_t' values in the debugger shows the names. */
53 #ifndef __error_t_defined
55 #define __error_t_defined 1
58 /* The full and simple forms of the name with which the program was
59 invoked. These variables are set up automatically at startup based on
60 the value of ARGV[0] (this works only if you use GNU ld). */
61 extern char *program_invocation_name, *program_invocation_short_name;