Function if

components/net/netdev/src/netdev.c:1281–1287

    }
#ifdef RT_LWIP_DHCP
    else if(argc == 3)
    {
        if (!strcmp(argv[2], "dhcp"))
        {
            netdev_dhcp_open(argv[1]);
        }
    }
#endif
    else if (argc == 5)
    {