[amihailov@amihailov:/home/amihailov]$ locate execinfo.h
/usr/local/include/execinfo.h
[amihailov@amihailov:/home/amihailov]$ cat /usr/local/include/execinfo.h
/* $backtrace: backtrace.h,v 1.1 2010/09/09 22:23:45 marco Exp $ */
/*
 * Copyright (c) 2010 Marco Peereboom <marco@conformal.com>
 * Copyright (c) 2010 Conformal Systems LLC.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _EXECINFO_H_
#define _EXECINFO_H_

#ifdef __cplusplus
extern "C" {
#endif

#ifndef __GNUC__
#error "this library must be compiled with gcc"
#endif

#include <dlfcn.h>

/* compatability functions with libexecinfo and glibc */
int                     backtrace(void **, int);
char                    **backtrace_symbols(void *const *, int);
void                    backtrace_symbols_fd(void *const *, int, int);

#ifdef __cplusplus
}
#endif
#endif