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13.3 NULL CallbackFORTRAN does not support passing NULL as a callback parameter the way ANSI C does. For this reason, GLUTNULL is used in place of NULL in GLUT FORTRAN programs to indicate a NULL callback.
![]() ![]() ![]() ![]() ![]() Next: 14 Implementation Issues Up: 13 FORTRAN Binding Previous: 13.2 Font Naming Caveat Mark Kilgard Fri Feb 23 08:05:02 PST 1996 |