Hello Where on this page it talks about obsolete herror() and hstrerror(), could it highlight the functions that should be used instead. I am not sure what is the replacement, but pehaps it would return HOST_NOT_FOUND as a string? http://man7.org/linux/man-pages/man3/gethostbyname.3.html With best regards, Jon -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html