vc下udp编程demo

#pragma comment(lib,"ws2_32.lib") main() { SOCKET s; sockaddr_in addrto; WSADATA wsdata; BOOL bsocket; char *smsg="this is a test"; //启动SOCKET库,版本为2.0 WSAStartup(0x0202,&wsdata); s=WSASocket(AF_INET,SOCK_DGRAM,0,NULL,0,WSA_FLAG_OVERLAPPED); bsocket=TRUE; //然后赋值给地址,用来从网络上的广播地址接收消息; ad