|  | /* Copyright (C) 1998-2016 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 | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #ifndef _EXECINFO_H | 
|  | #define _EXECINFO_H 1 | 
|  |  | 
|  | #include <features.h> | 
|  |  | 
|  | __BEGIN_DECLS | 
|  |  | 
|  | /* Store up to SIZE return address of the current program state in | 
|  | ARRAY and return the exact number of values stored.  */ | 
|  | extern int backtrace (void **__array, int __size) __nonnull ((1)); | 
|  |  | 
|  |  | 
|  | /* Return names of functions from the backtrace list in ARRAY in a newly | 
|  | malloc()ed memory block.  */ | 
|  | extern char **backtrace_symbols (void *const *__array, int __size) | 
|  | __THROW __nonnull ((1)); | 
|  |  | 
|  |  | 
|  | /* This function is similar to backtrace_symbols() but it writes the result | 
|  | immediately to a file.  */ | 
|  | extern void backtrace_symbols_fd (void *const *__array, int __size, int __fd) | 
|  | __THROW __nonnull ((1)); | 
|  |  | 
|  | __END_DECLS | 
|  |  | 
|  | #endif /* execinfo.h  */ |