writeDBHeader()
 Write database file header record in work area back to disk
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 Prototype

     ERRCODE writeDBHeader(
                                AREAP wa
                              )

 Arguments

     wa is a pointer to self.

 Description

     The writeDBHeader() method writes the contents of the header record to
     the work area referenced by wa.

 Implementation Notes

     .  Normally, before writing the contents of the header record
        using writeDBHeader(), call headerLock() to obtain a lock on the
        header record.

 Files  Header file is Rdd.api.