Function: GDI_CLOSE Purpose: Closes an opened display device. Category: DISPLAY File: gdilib.c Author: K.G. Begeman Use: INTEGER GDI_CLOSE( GDI_ID ) Input INTEGER GDI_CLOSE Returns zero if successful, otherwize a negative value is returned. GDI_ID Display id as returned by GDI_OPEN. Updates: Nov 2, 1990: KGB Document created.