print_port
print_port(cfg, i);
print_port(cfg, cfg->unit);
print_port(bp, proto, p[0]);
print_port(bp, 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 *, int);