29 lines
664 B
C
29 lines
664 B
C
#include <stdio.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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main(int argc, char **argv)
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{
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struct hostent *h;
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int i;
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for (argc--, argv++; argc > 0; argc--, argv++) {
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h = gethostbyname(*argv);
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if (! h) {
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fprintf(stderr, "gethostbyname failed for [%s]: %s\n",
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*argv, hstrerror(h_errno));
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} else {
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printf("name = %s, addrtype = %d, length = %d\n",
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h->h_name, h->h_addrtype, h->h_length);
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for (i = 0; h->h_aliases[i]; i++) {
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printf("\talias[%d]: %s\n", i, h->h_aliases[i]);
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}
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for (i = 0; h->h_addr_list[i]; i++) {
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printf("\taddress[%d]: %s\n", i,
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inet_ntoa(*(struct in_addr *)h->h_addr_list[i]));
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}
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}
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}
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}
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