| (Unicode C) S3 Upload FileDemonstrates how to upload a file to the Amazon S3 service.
 #include <C_CkHttpW.h>
void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    const wchar_t *bucketName;
    const wchar_t *objectName;
    const wchar_t *localFilePath;
    const wchar_t *contentType;
    success = FALSE;
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.
    http = CkHttpW_Create();
    // Insert your AWS keys here:
    CkHttpW_putAwsAccessKey(http,L"AWS_ACCESS_KEY");
    CkHttpW_putAwsSecretKey(http,L"AWS_SECRET_KEY");
    bucketName = L"chilkat.ocean";
    objectName = L"seahorse.jpg";
    localFilePath = L"qa_data/jpg/seahorse.jpg";
    // The Content-Type has the form  type/subtype, such as application/pdf, application/json, image/jpeg, etc.
    // See Explaining Content-Types
    contentType = L"image/jpeg";
    success = CkHttpW_S3_UploadFile(http,localFilePath,contentType,bucketName,objectName);
    if (success != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
    }
    else {
        wprintf(L"File uploaded.\n");
    }
    CkHttpW_Dispose(http);
    }
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