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1 | /* Copyright (C) 1991-2019 Free Software Foundation, Inc. | |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
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 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
16 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | /* | |
19 | * ISO C99 Standard: 7.5 Errors <errno.h> | |
20 | */ | |
21 | ||
22 | #ifndef _ERRNO_H | |
23 | #define _ERRNO_H 1 | |
24 | ||
25 | #include <features.h> | |
26 | ||
27 | /* The system-specific definitions of the E* constants, as macros. */ | |
28 | #include <bits/errno.h> | |
29 | ||
30 | /* When included from assembly language, this header only provides the | |
31 | E* constants. */ | |
32 | #ifndef __ASSEMBLER__ | |
33 | ||
34 | __BEGIN_DECLS | |
35 | ||
36 | /* The error code set by various library functions. */ | |
37 | extern int *__errno_location (void) __THROW __attribute_const__; | |
38 | # define errno (*__errno_location ()) | |
39 | ||
40 | # ifdef __USE_GNU | |
41 | ||
42 | /* The full and simple forms of the name with which the program was | |
43 | invoked. These variables are set up automatically at startup based on | |
44 | the value of argv[0]. */ | |
45 | extern char *program_invocation_name; | |
46 | extern char *program_invocation_short_name; | |
47 | ||
48 | #include <bits/types/error_t.h> | |
49 | ||
50 | # endif /* __USE_GNU */ | |
51 | ||
52 | __END_DECLS | |
53 | ||
54 | #endif /* !__ASSEMBLER__ */ | |
55 | #endif /* errno.h */ |