/* Here s a small IPv4 example: it asks for a portbase and a destination and starts sending pack
/* Here s a small IPv4 example: it asks for a portbase and a destination and starts sending packets to that destination. 這個IPv4版的例子：它要求portbase(...
/* Here s a small IPv4 example: it asks for a portbase and a destination and starts sending packets to that destination. 這個IPv4版的例子：它要求portbase(...