print_port
print_port(chain->fw_prot, chain->fw_pts[i], comma);
print_port(chain->fw_prot, chain->fw_pts[nsp+i], comma);
print_port(proto, p[0]);
print_port(proto, p[1]);
print_port(src->port_op, src->port[0],
print_port(dst->port_op, dst->port[0],
void print_port (u_int8_t, u_int16_t, u_int16_t, const char *);