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(Unicode C++) HTTP HEAD RequestSends 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..) Note: This example requires Chilkat v11.0.0 or greater.
#include <CkHttpW.h> #include <CkHttpResponseW.h> void ChilkatSample(void) { bool success = false; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkHttpW http; // 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.. CkHttpResponseW resp; success = http.HttpNoBody(L"HEAD",L"https://example-code.com/",resp); if (success == false) { wprintf(L"%s\n",http.lastErrorText()); return; } // Examine the response. wprintf(L"Status Code = %d\n",resp.get_StatusCode()); wprintf(L"Status Line = %s\n",resp.statusLine()); wprintf(L"Status Text = %s\n",resp.statusText()); wprintf(L"Full Response Header:\n"); wprintf(L"%s\n",resp.header()); wprintf(L"----\n"); int numHeaderFields = resp.get_NumHeaderFields(); wprintf(L"Num Header Fields: %d\n",numHeaderFields); int i; for (i = 0; i <= numHeaderFields - 1; i++) { wprintf(L"%s: %s\n",resp.getHeaderName(i),resp.getHeaderValue(i)); } } |
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