Get the header structure of a DBF file
──────────────────────────────────────────────────────────────────────────────

 Syntax

        H_GetHeaderStructure( cDbf , cSignature , dUpdated , nRecords , ;
                              nOffset , nRecSize )

 Arguments:

      cDbf        - DBF File to get header from
      lMemoExists - Is there a memo file (passed by reference)
      dUpdated    - Date file updated    (passed by reference)
      nRecords    - Number of records    (passed by reference)
      nOffset     - Data offset          (passed by reference)
      nRecSize    - Record size          (passed by reference)

 Returns:

      File error code when accessing table. 0 if OK

 Description:

      Opens the given table as a binary file and gets the header info.

 Examples:



 Header File: FILEIO.CH

 Source: GETHEAD.PRG

 Author:  Martin Colloby