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Next: Library Functions
Up: Scheme Values and Types
Previous: Standard Types
There are six global constants:
- scheme_null -- test for this value with SCHEME_NULLP
- scheme_eof -- test for this value with SCHEME_EOFP
- scheme_true
- scheme_false -- test for this value with SCHEME_FALSEP; test against it with SCHEME_TRUEP
- scheme_void -- test for this value with SCHEME_VOIDP
- scheme_undefined
PLT