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client = accept(listener,(struct sockaddr *) &their_addr, &socklen);
if(client < 0){
if(errno != EAGAIN && errno != ECONNABORTED && errno != EPROTO && errno != EINTR)
perror("accept1");
continue;
}
char buf[100];
sprintf(buf,"accept from %s %d",inet_ntoa(their_addr.sin_addr),their_addr.sin_port);
printf(" %s",buf);
// accept from 192.168.31.112 7900
c socket server 获取client ip,port
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原文地址：http://www.cnblogs.com/qk2015/p/4791095.html
