Client(UDP).cpp

#include <stdio.h>
#include <winsock2.h>
#include<WS2tcpip.h>
#pragma comment(lib, "ws2_32.lib")

int main(int argc, char* argv[]) {
	WORD socketVersion = MAKEWORD(2, 2);
	WSADATA wsaData;
	if (WSAStartup(socketVersion, &wsaData) != 0) {
		return 0;
	}
	while (1) {
		SOCKET sclient = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);

		sockaddr_in sin;
		sin.sin_family = AF_INET;
		sin.sin_port = htons(8888);
		/*sin.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");*/
		inet_pton(AF_INET, "127.0.0.1", (void*)&sin.sin_addr.S_un.S_addr);

		int len = sizeof(sin);

		const char* sendData = "¨Ó¦Û«È¤áºÝªº¼Æ¾Ú¥].\n";
		sendto(sclient, sendData, strlen(sendData), 0, (sockaddr*)&sin, len);

		char recvData[255];
		int ret = recvfrom(sclient, recvData, 255, 0, (sockaddr*)&sin, &len);
		if (ret > 0) {
			recvData[ret] = 0x00;
			printf(recvData);
		}
		system("pause");
		closesocket(sclient);
		printf("\n");
	}
	WSACleanup();
	return 0;
}