NAME
	  DtShapeGetBlindData - Get the blinddata that is attached to the
	  given shape.


     SYNOPSIS
	  #include <Dt.h>


	  int  DtShapeGetBlindData(int shapeID, long LBoxID,
					   int LMaxSize, void* LData)


     DESCRIPTION
	  DtShapeGetBlindData() returns the blinddata attached to the
	  given shape using the given 'mailbox' or 'hanger' ID.
	  The shape is indicated by the shapeID parameter, the 'mailbox'
	  ID is given by LBoxID. The result is placed to LData.
	  LMaxSize indicates the size of the return buffer (LData).

     DIAGNOSTICS
	  Returns zero on failure. Otherwise returns the size of the
	  blinddata in bytes.

     FILES
	  Link with -lDtOMio