NAME
       FreeDBufInfo -- free information for multi-buffered animation (V39)

   SYNOPSIS
       FreeDBufInfo(db)
                     a1

        void FreeDBufInfo(struct dbufinfo *)

   FUNCTION
        Frees a structure obtained from allocdbufinfo

   INPUTS
       db  =  A pointer to a dbufinfo.

   BUGS

   NOTES
        FreeDBufInfo(NULL) is a no-op.

   SEE ALSO
        allocdbufinfo() changevpbitmap()