#undef
Löscht die Definition eines Präprozessor-Symbols.
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#define __test "test"
#undef __test
? __test
(Runtime error) 12 - Variable '__TEST' is not found.
in /runtime/builddir/runme.prg, line 3, column 3, program runme
(Stack trace)
#001 in /runtime/builddir/runme.prg, line 3, column 3, program runme
Variable '__TEST' is not found.