2020-03-22 IP地址打印

    struct in_addr sip4;
    struct in6_addr sip6;

    char ip[16] = {0}, ipv6[40] = {0};
            inet_ntop(AF_INET, &sip4, ip, sizeof(ip));
            printf("\tsip:%s", ip);
            inet_ntop(AF_INET6, &sip6, ipv6, sizeof(ipv6));
            printf("\tsip:%s", ipv6);