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  1. #include <stdio.h>
  2.  
  3. #define X 1^2
  4.  
  5. int main(void) {
  6. #if X
  7. 	puts("X is true.");
  8. #else
  9. 	puts("X is false!");
  10. #endif	
  11.  
  12. #if X+0
  13. 	puts("X+0 is true.");
  14. #else
  15. 	puts("X+0 is false!");
  16. #endif	
  17.  
  18. #if X+0 != 0
  19. 	puts("X+0 != 0 is true.");
  20. #else
  21. 	puts("X+0 != 0 is false!");
  22. #endif	
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0s 2156KB
comments (?)
stdin
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Standard input is empty
stdout
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X is true.
X+0 is true.
X+0 != 0 is false!
https://ideone.com/fYULhV
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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