/* * Copyright (c) 1986 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #if !defined(lint) && defined(DOSCCS) char copyright[] = "@(#) Copyright (c) 1986 Regents of the University of California.\n\ All rights reserved.\n"; static char sccsid[] = "@(#)nsquery.c 4.8 (Berkeley) 6/1/90"; #endif #include #include #include #include #include #include #include main(argc, argv) int argc; char **argv; { extern struct state _res; register struct hostent *hp; if (argc >= 2 && strcmp(argv[1], "-d") == 0) { _res.options |= RES_DEBUG; argc--; argv++; } if (argc < 2) { fprintf(stderr, "usage: nsquery [-d] host [server]\n"); exit(1); } if (argc == 3) { hp = gethostbyname(argv[2]); if (hp == NULL) { fprintf(stderr, "nsquery:"); herror(argv[2]); exit(1); } printf("\nServer:\n"); printanswer(hp); _res.nsaddr.sin_addr = *(struct in_addr *)hp->h_addr; } hp = gethostbyname(argv[1]); if (hp == NULL) { fprintf(stderr, "nsquery: %s: ", argv[1]); herror((char *)NULL); exit(1); } printanswer(hp); exit(0); } printanswer(hp) register struct hostent *hp; { register char **cp; extern char *inet_ntoa(); printf("Name: %s\n", hp->h_name); #if BSD >= 43 || defined(h_addr) printf("Addresses:"); for (cp = hp->h_addr_list; cp && *cp; cp++) printf(" %s", inet_ntoa(*(struct in_addr *)(*cp))); printf("\n"); #else printf("Address: %s\n", inet_ntoa(*(struct in_addr *)hp->h_addr)); #endif printf("Aliases:"); for (cp = hp->h_aliases; cp && *cp && **cp; cp++) printf(" %s", *cp); printf("\n\n"); }