| /* Copyright (C) 1991, 1992, 1993, 1994, 1995 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, 1992 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. */ |
| extern int errno; |
| |
| #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] (this works only if you use GNU ld). */ |
| extern char *program_invocation_name, *program_invocation_short_name; |
| #endif |
| |
| __END_DECLS |
| #endif |
| |
| #endif /* errno.h */ |