__chk_fail, ,__gets_chk, ,__memcpy_chk, ,__memset_chk, ,__snprintf_chk, ,__sprintf_chk, ,__stack_chk_fail, ,__stack_chk_fail_local, ,__stack_chk_guard, ,__stpcpy_chk, ,__strcat_chk, ,__strcpy_chk, ,__strncat_chk, ,__strncpy_chk, ,__vsnprintf_chk, ,__vsprintf_chk, ,_get_output_format.