Unicode C
Unicode C
HTTP HEAD Request
See more HTTP Examples
Sends an HTTP HEAD request and gets the response.Note: The response to an HTTP HEAD request is always just the response header. The reponse body is always 0 length (thus the reason it's called a "HEAD" request..)
Chilkat Unicode C Downloads
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>
void ChilkatSample(void)
{
BOOL success;
HCkHttpW http;
HCkHttpResponseW resp;
int numHeaderFields;
int i;
success = FALSE;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http = CkHttpW_Create();
// If the URL uses "https://", then the connection will be TLS.
// Otherwise it will be TCP.
// A failure is when we don't get any response. It could be a timeout, an inability to connect, etc.
// For example, a "404 Not Found" response is still a response, and thus deemed success in terms of the API..
resp = CkHttpResponseW_Create();
success = CkHttpW_HttpNoBody(http,L"HEAD",L"https://example-code.com/",resp);
if (success == FALSE) {
wprintf(L"%s\n",CkHttpW_lastErrorText(http));
CkHttpW_Dispose(http);
CkHttpResponseW_Dispose(resp);
return;
}
// Examine the response.
wprintf(L"Status Code = %d\n",CkHttpResponseW_getStatusCode(resp));
wprintf(L"Status Line = %s\n",CkHttpResponseW_statusLine(resp));
wprintf(L"Status Text = %s\n",CkHttpResponseW_statusText(resp));
wprintf(L"Full Response Header:\n");
wprintf(L"%s\n",CkHttpResponseW_header(resp));
wprintf(L"----\n");
numHeaderFields = CkHttpResponseW_getNumHeaderFields(resp);
wprintf(L"Num Header Fields: %d\n",numHeaderFields);
for (i = 0; i <= numHeaderFields - 1; i++) {
wprintf(L"%s: %s\n",CkHttpResponseW_getHeaderName(resp,i),CkHttpResponseW_getHeaderValue(resp,i));
}
CkHttpW_Dispose(http);
CkHttpResponseW_Dispose(resp);
}