glibc (2.38)
1 /* Copyright (C) 1998-2023 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 <https://www.gnu.org/licenses/>. */
17
18 #ifndef _EXECINFO_H
19 #define _EXECINFO_H 1
20
21 #include <features.h>
22
23 __BEGIN_DECLS
24
25 /* Store up to SIZE return address of the current program state in
26 ARRAY and return the exact number of values stored. */
27 extern int backtrace (void **__array, int __size) __nonnull ((1));
28
29
30 /* Return names of functions from the backtrace list in ARRAY in a newly
31 malloc()ed memory block. */
32 extern char **backtrace_symbols (void *const *__array, int __size)
33 __THROW __nonnull ((1));
34
35
36 /* This function is similar to backtrace_symbols() but it writes the result
37 immediately to a file. */
38 extern void backtrace_symbols_fd (void *const *__array, int __size, int __fd)
39 __THROW __nonnull ((1));
40
41 __END_DECLS
42
43 #endif /* execinfo.h */
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