modernc.org/cc@v1.0.1/v2/testdata/cpp-expand/010.c (about)

     1  #define TEST42 0x0502
     2  #define TESTBASE 1
     3  #define TEST3 (TEST42 >= 0x0502 || !defined (TESTBASE))
     4  #define TEST4
     5  
     6  #if TEST3 && defined (TEST4)
     7  	int test = 4;
     8  #endif
     9  
    10  
    11  int main (void) {
    12  	return test;
    13  }