/* vim: tabstop=4 shiftwidth=4 noexpandtab * This file is part of ToaruOS and is released under the terms * of the NCSA / University of Illinois License - see LICENSE.md * Copyright (C) 2016-2018 K. Lange * * nslookup - perform nameserver lookups * */ #include #include #include #include #include #include #include #include int main(int argc, char * argv[]) { if (argc < 2) return 1; struct hostent * host = gethostbyname(argv[1]); if (!host) { fprintf(stderr, "%s: not found\n", argv[1]); return 1; } char * addr = inet_ntoa(*(struct in_addr*)host->h_addr_list[0]); fprintf(stderr, "%s: %s\n", host->h_name, addr); return 0; }