| /* Copyright (C) 1991-2021 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 |
| <https://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 */ |
