#define SOMETHING 1 /* hmmm... */ /* SOMETHING fishy */ SOMETHING #define SOMETHING 1 #ifdef SOMETHING this should be visible... #if (SOMETHING==1) ... and this should be visible too #endif #endif #ifdef NOTHING this should not be visible... #if (NOTHING==1) ... and this should be invisible too #endif #endif #include "cpptest2.h" /* comments */ // r /* really * really // great */ End of file