Function: GDI_OPEN2 Purpose: Opens a display only if the display server is already running. Category: DISPLAY File: gdilib.c Author: K.G. Begeman Use: INTEGER GDI_OPEN( DISPLAY ) Input CHARACTER*(*) GDI_OPEN Returns on success a non-negative display identifier for further use. Negative values indicate an error condition. DISPLAY Name of display device. If DISPLAY is, the default display (DEFAULT_DISPLAY) will be used. Updates: Feb 23, 1993: KGB Document created.