2 #include <debug/execinfo.h>
4 extern int __backtrace (void **__array, int __size);
5 libc_hidden_proto (__backtrace)
7 extern char **__backtrace_symbols (void *const *__array, int __size);
9 extern void __backtrace_symbols_fd (void *const *__array, int __size,
11 libc_hidden_proto (__backtrace_symbols_fd)