GetIpByHostName

GetIpByHostName.c

int GetIpByHostName(char szHost)
{
    struct hostent *rmtHost = NULL;
    struct in_addr stAddr = {0};

    if (NULL == szHost) {
        Log("GetIpByHostName input null.\n");
        return -1;
    }

    rmtHost = gethostbyname(szHost);
    if (NULL == rmtHost) {
        Log("gethostbyname fail. erron=[%d].\n", GetLastError());
        return -1;
    }

    if (AF_INET == remoteHost->h_addrtype)
    {
        while (remoteHost->h_addr_list[i] != 0) {
            addr.s_addr = *(u_long *) remoteHost->h_addr_list[i++];
            printf("\tIP Address #%d: %s\n", i, inet_ntoa(addr));
        }
    }

    return -1;
}