1
0
Files
irix-657m-src/eoe/cmd/ns/tests/gethostbyaddr.c
2022-09-29 17:59:04 +03:00

36 lines
848 B
C

#include <stdio.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
main(int argc, char **argv)
{
struct hostent *h;
struct in_addr addr;
int i;
for (argc--, argv++; argc > 0; argc--, argv++) {
if (! inet_aton(*argv, &addr)) {
fprintf(stderr, "failed to convert address: %s\n",
*argv);
}
h = gethostbyaddr(&addr, sizeof(addr), AF_INET);
if (! h) {
fprintf(stderr, "gethostbyaddr failed: %s\n",
hstrerror(h_errno));
} else {
printf("name = %s, addrtype = %d, length = %d\n",
h->h_name, h->h_addrtype, h->h_length);
for (i = 0; h->h_aliases[i]; i++) {
printf("\talias[%d]: %s\n", i, h->h_aliases[i]);
}
for (i = 0; h->h_addr_list[i]; i++) {
printf("\taddress[%d]: %s\n", i,
inet_ntoa(*(struct in_addr *)h->h_addr_list[i]));
}
}
}
}