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How to do a net program in pure C, not in VC or others?
I want to make a simple HTTP client program.
It can exchange information with http server.
The information can be a http header or other.
I know how to program in Borland C++ Biulder or VC but in pure C (using gcc, lcc or other).
Is there any documents I can get from internet?
Or who can send me some simple example for studying kindly?
Thanks.
sorry, I'm in the English System can't type Chinese.
dot99.
It can exchange information with http server.
The information can be a http header or other.
I know how to program in Borland C++ Biulder or VC but in pure C (using gcc, lcc or other).
Is there any documents I can get from internet?
Or who can send me some simple example for studying kindly?
Thanks.
sorry, I'm in the English System can't type Chinese.
dot99.
...全文
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cai3995 2002-08-25
use the Socket API
richard2010 2002-08-25
A reference example:
//variables.
WSADATA ws; //ws data.
SOCKET s; //socket s.
struct sockaddr_in addr; //socket address.
int iResult; //connect result.
long lResult; //startup result.
//set value.
char strSubAddr[100]; //HTTP command.
char strBuffer[500]; //receive buffer.
//Winsock startup.
lResult = WSAStartup(0x0101,&ws);
//create socket.
s = socket(AF_INET,SOCK_STREAM,0);
//set address value.
addr.sin_family = AF_INET; //standard addr family(host byte order).
addr.sin_port = htons(80); //http port(network byte order).
addr.sin_addr.s_addr = inet_addr("211.147.104.5"); //(network byte order)
//connect to the HTTP server.
iResult=connect(s,(struct sockaddr *)&addr, sizeof(addr));
//error handling.
if(SOCKET_ERROR == iResult)
{
// connect failed.
WSACleanup();
return FALSE;
}
else {
strcpy(strSubAddr, "GET /khfw/fwzn.htm\r\n"); //http request.
strcpy(fname, "c:\\download.htm"); //local file.
//send the http request.
iResult = send(s, strSubAddr,strlen(strSubAddr),0);
// download.
do {
strset(strBuffer,' '); //clear the receiving buffer.
iResult = recv(s,strBuffer,sizeof(strBuffer),0); //receive data.
LogFile(strBuffer); //transfer from memory to hardisk.
} while( iResult !=0 );
}
//clear the socket.
WSACleanup();
//variables.
WSADATA ws; //ws data.
SOCKET s; //socket s.
struct sockaddr_in addr; //socket address.
int iResult; //connect result.
long lResult; //startup result.
//set value.
char strSubAddr[100]; //HTTP command.
char strBuffer[500]; //receive buffer.
//Winsock startup.
lResult = WSAStartup(0x0101,&ws);
//create socket.
s = socket(AF_INET,SOCK_STREAM,0);
//set address value.
addr.sin_family = AF_INET; //standard addr family(host byte order).
addr.sin_port = htons(80); //http port(network byte order).
addr.sin_addr.s_addr = inet_addr("211.147.104.5"); //(network byte order)
//connect to the HTTP server.
iResult=connect(s,(struct sockaddr *)&addr, sizeof(addr));
//error handling.
if(SOCKET_ERROR == iResult)
{
// connect failed.
WSACleanup();
return FALSE;
}
else {
strcpy(strSubAddr, "GET /khfw/fwzn.htm\r\n"); //http request.
strcpy(fname, "c:\\download.htm"); //local file.
//send the http request.
iResult = send(s, strSubAddr,strlen(strSubAddr),0);
// download.
do {
strset(strBuffer,' '); //clear the receiving buffer.
iResult = recv(s,strBuffer,sizeof(strBuffer),0); //receive data.
LogFile(strBuffer); //transfer from memory to hardisk.
} while( iResult !=0 );
}
//clear the socket.
WSACleanup();
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