HTTP HEAD Request

Simple HTTP HEAD request to download only the HTTP header.

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#include <CkHttp.h>
#include <CkHttpResponse.h>

void ChilkatSample(void)
    {
    CkHttp http;

    bool success;

    //  Any string unlocks the component for the 1st 30-days.
    success = http.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        printf("%s\n",http.lastErrorText());
        return;
    }

    //  Send the HEAD request and get the response.
    CkHttpResponse *response = 0;
    response = http.GetHead("http://www.chilkatsoft.com/");

    if (response == 0 ) {
        printf("%s\n",http.lastErrorText());
    }
    else {

        //  Show the HTTP response code and header received.
        printf("HTTP response code: \n");
        printf("%d\n",response->get_StatusCode());

        printf("---- FULL HEADER ----\n");
        printf("%s\n",response->header());
        printf("---------------------\n");

        //  How big will the full response be?  This is a good way to
        //  check the size of a download (if the URL is a .zip)
        printf("Size of resource = %d\n",response->get_ContentLength());

    }

    }