请教一个FTP问题
我写了一个FTP客户端程序想下载文件,可发完 retr 命令后什么也收不到了,我的serv-u 上明明写着发送成功
“[3] Sat 18Oct03 19:06:34 - (000009) Sent file f:\mydoc\down\tt.txt successfully (1815 Kb/sec - 85499 bytes)
[5] Sat 18Oct03 19:06:34 - (000010) Closing connection
”
一下是我的程序请大家帮帮忙.
//////////////////////////////////////////////
#include <winsock2.h>
#include <stdlib.h>
#include <stdio.h>
#include <malloc.h>
#include <memory.h>
#include <tchar.h>
main()
{
WORD wVersionRequested = MAKEWORD(2, 2);
WSADATA wsaData;
if (WSAStartup(wVersionRequested, &wsaData)) {
printf("WSAStartup failed %s\n", WSAGetLastError());
return -1;
}
SOCKET s=0;
s=socket(AF_INET,SOCK_STREAM,0);
struct sockaddr_in from;
unsigned long ipValue=0;
int Port = 21;
char ipStr[255]={0};
//ipValue=inet_addr((char FAR*)ipStr);
ipValue=inet_addr("127.0.0.1");
from.sin_family=AF_INET;
from.sin_addr.S_un.S_addr=ipValue;
from.sin_port=htons(Port);
connect(s,(struct sockaddr FAR *)&from,sizeof(from));
char buffer[255]={0};
strcpy(buffer,"user test\r\n");
send(s,buffer,strlen(buffer),0);
strcpy(buffer,"pass test\r\n");
send(s,buffer,strlen(buffer),0);
strcpy(buffer,"size tt.txt\r\n");
send(s,buffer,strlen(buffer),0);
recv(s,buffer,255,0);
strcpy(buffer,"type i\r\n");
send(s,buffer,strlen(buffer),0);
recv(s,buffer,255,0);
strcpy(buffer,"rest 0\r\n");
send(s,buffer,strlen(buffer),0);
recv(s,buffer,255,0);
strcpy(buffer,"retr tt.txt\r\n");
send(s,buffer,strlen(buffer),0);
recv(s,buffer,255,0); 一到这里就停住了????
closesocket(s);
WSACleanup();
}