广播地址计算

in_addr broadcast;
	broadcast.S_un.S_addr = (inet_addr(m_local_ip) & inet_addr(strbroadcast.c_str())) | (~inet_addr(strbroadcast.c_str()));
	m_strbroadcast = inet_ntoa(broadcast);
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转载自blog.csdn.net/u014162133/article/details/102488238