The End-of-File Scan routine is called after each sequence of
    calls to LIB$FILE_SCAN. LIB$FILE_SCAN_END deallocates any saved
    OpenVMS RMS context and/or deallocates the virtual memory that
    had been allocated for holding the related file specification
    information.

    Format

      LIB$FILE_SCAN_END  [fab] [,context]