text: #if ! defined( RECEIVER_HEADER_FILE )
  
  #define RECEIVER_HEADER_FILE
  
  /*
  ** Author: Samuel R. Blackburn
  ** Internet: wfc@pobox.com
  **
  ** Copyright, 1996-2003, Samuel R. Blackburn
  **
  ** "You can get credit for something or get it done, but not both."
  ** Dr. Richard Garwin
  **
  ** BSD License follows.
  **
  ** Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions
  ** are met:
  **
  ** Redistributions of source code must retain the above copyright notice,
  ** this list of conditions and the following disclaimer. Redistributions
  ** in binary form must reproduce the above copyright notice, this list
  ** of conditions and the following disclaimer in the documentation and/or
  ** other materials provided with the distribution. Neither the name of
  ** the WFC nor the names of its contributors may be used to endorse or
  ** promote products derived from this software without specific prior
  ** written permission.
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  
  #define WFC_STL
  #define WINVER 0x0401
  #define _WIN32_WINNT 0x0401
  #include <wfc.h>
  
  USING_WFC_NAMESPACE
  
  DWORD compute_checksum( const DWORD * buffer, DWORD number_of_entries );
  
  #endif // RECEIVER_HEADER_FILE
  