C언어 Echo Client (1:1통신)

#include <stdlib.h>
#include <stdio.h>
#include <WinSock2.h>
#include <WS2tcpip.h>

#pragma comment(lib, "ws2_32")

#define PORT 7777
#define SERVER_IP "127.0.0.1"

int main(void)
{
	WSADATA wsaData			= { 0, };
	SOCKADDR_IN Addr			= { 0, };
	char strInput[MAX_PATH]	= { 0, }, cRecvBuf[MAX_PATH] = { 0, };
	SOCKET hSocket			= NULL;
	int nErrorCode			= 0;
	
	WSAStartup(MAKEWORD(2, 2), &wsaData);

	hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	if (hSocket == INVALID_SOCKET)
	{
		printf("Socket() Error!");
	}

	Addr.sin_family	= AF_INET;
	Addr.sin_port		= htons(PORT);
	inet_pton(AF_INET, SERVER_IP, &Addr.sin_addr);

	nErrorCode = connect(hSocket, (SOCKADDR*)&Addr, sizeof(Addr));
	if (nErrorCode == SOCKET_ERROR)
	{
		printf("Connet() Error!");
	}

	printf("Connecting Success\n\n");

	while (true)
	{
		memset(&strInput, 0, sizeof(strInput));
		printf("Client Send Msg : ");
		fgets(strInput, MAX_PATH, stdin);
		
		if (strcmp(strInput, "exit") == 0)
		{
			printf("프로그램을 종료합니다.\n");
			break;
		}

		nErrorCode = send(hSocket, strInput, MAX_PATH, 0);
		if (nErrorCode == SOCKET_ERROR)
		{
			printf("Send() Error!");
		}

		memset(&cRecvBuf, 0, sizeof(cRecvBuf));
		nErrorCode = recv(hSocket, cRecvBuf, MAX_PATH, 0);
		if (nErrorCode == SOCKET_ERROR)
		{
			printf("Recv() Error!");
		}

		printf("\nServer From Msg : %s\n", cRecvBuf);
	}

	closesocket(hSocket);
	WSACleanup();

	return 0;
}