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helloworld_client_win.c
등록자 : cpueblo (유광희), 2008-08-28
글수정 | 글삭제
<![CDATA[
/*
* helloworld_client_win.c
* Written by SW. YOON
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winsock2.h>
void ErrorHandling(char *message);
int main(int argc, char **argv)
{
WSADATA wsaData;
SOCKET hSocket;
char message[30];
int strLen;
SOCKADDR_IN servAddr;
if(argc!=3){
printf("Usage : %s <IP> <port>\n", argv[0]);
exit(1);
}
if(WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) /* Load WinhSocket 2.2 DLL */
ErrorHandling("WSAStartup() error!");
hSocket=socket(PF_INET, SOCK_STREAM, 0); /* 서버 접속을 위한 소켓 생성 */
if(hSocket==INVALID_SOCKET)
ErrorHandling("hSocketet() error");
memset(&servAddr, 0, sizeof(servAddr));
servAddr.sin_family=AF_INET;
servAddr.sin_addr.s_addr=inet_addr(argv[1]);
servAddr.sin_port=htons(atoi(argv[2]));
if( connect(hSocket, (SOCKADDR*)&servAddr, sizeof(servAddr))==SOCKET_ERROR ) /* 서버로 연결 요청 */
ErrorHandling("connect() error!");
strLen=recv(hSocket, message, sizeof(message)-1, 0); /* 데이터 수신 */
if(strLen==-1)
ErrorHandling("read() error!");
message[strLen]=0;
printf("Message from server : %s \n", message);
closesocket(hSocket); /* 연결 종료 */
WSACleanup();
return 0;
}
void ErrorHandling(char *message)
{
fputs(message, stderr);
fputc('\n', stderr);
exit(1);
}
]]>
글수정 | 글삭제
http://codesarang.com. mail to cpueblo cpueblo.com
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