IP_INTERFACE
argv[1] = string_param(j->intparams[IP_INTERFACE]);
argv[1] = string_param(j->intparams[IP_INTERFACE]);
j->intparams[IP_INTERFACE] != NULL) &&
defif = string_param(j->intparams[IP_INTERFACE]) != NULL;
[IP_INTERFACE] = {"interface", PF_INTERNAL},