您好 请问:
我想制作一个ECHO UDP 的流程
但范例当中的目标地址是自行输入
如何获取 对方client端的IP地址并且 回传数据???(clientA>sever>clientA)
我尝试了printf( "%x\n", sl_Ntohl(Addr.sin_addr.s_addr));
却只能显示 xxx.xxx.???.???问号的位 请问该怎么获取完整的地址??
谢谢
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