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Annotation of 43BSDTahoe/etc/named/tools/nsquery.c, revision 1.1.1.1

1.1       root        1: #ifndef lint
                      2: static char sccsid[] = "@(#)nsquery.c  4.2 (Berkeley) 11/21/87";
                      3: #endif
                      4: 
                      5: /*
                      6:  * Copyright (c) 1986 Regents of the University of California
                      7:  *     All Rights Reserved
                      8:  */
                      9: 
                     10: #include <stdio.h>
                     11: #include <sys/types.h>
                     12: #include <arpa/nameser.h>
                     13: #include <netdb.h>
                     14: #include <sys/socket.h>
                     15: #include <netinet/in.h>
                     16: #include <resolv.h>
                     17: 
                     18: struct state orig;
                     19: extern struct state _res;
                     20: extern int h_errno;
                     21: 
                     22: main(c, v)
                     23:        char **v;
                     24: {
                     25:        char h[32];
                     26:        register struct hostent *hp;
                     27:        register char *s;
                     28: 
                     29:        gethostname(h, 32);
                     30:        s = h;
                     31:        if (c < 2) {
                     32:                fprintf(stderr, "Usage: lookup host [server]\n");
                     33:                exit(1);
                     34:        }
                     35:        if (c > 2)
                     36:                s = v[2];
                     37: 
                     38:        hp = gethostbyname(s);
                     39:        if (hp == NULL) {
                     40:                herror(h_errno);
                     41:                exit(1);
                     42:        }
                     43:        printanswer(hp);
                     44: 
                     45:        _res.nsaddr.sin_addr = *(struct in_addr *)hp->h_addr;
                     46:        _res.options &= ~RES_DEFNAMES;
                     47: 
                     48:        hp = gethostbyname(v[1]);
                     49:        if (hp == NULL) {
                     50:                herror(h_errno);
                     51:                exit(1);
                     52:        }
                     53:        printanswer(hp);
                     54:        exit(0);
                     55: }
                     56: 
                     57: printanswer(hp)
                     58:        register struct hostent *hp;
                     59: {
                     60:        register char **cp;
                     61:        extern char *inet_ntoa();
                     62: 
                     63:        printf("Name: %s\n", hp->h_name);
                     64:        printf("Address: %s\n", inet_ntoa(*(struct in_addr *)hp->h_addr));
                     65:        printf("Aliases:");
                     66:        for (cp = hp->h_aliases; cp && *cp && **cp; cp++)
                     67:                printf(" %s", *cp);
                     68:        printf("\n\n");
                     69: }

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