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  1. #include <stdio.h>
  2.  
  3. #define call(f)  do { if (f == 0) { printf(#f " returned zero\n"); } } while (0)
  4.  
  5. int foo(int a, int b)
  6. {
  7. 	printf("%d + %d = %d\n", a, b, a + b);
  8. 	return a + b;
  9. }
  10.  
  11. int main(void)
  12. {
  13.     call(foo(1, 2));
  14.     call(foo(-1, 1));
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0s 10320KB
comments (?)
stdin 
Standard input is empty
stdout 
1 + 2 = 3
-1 + 1 = 0
foo(-1, 1) returned zero
https://ideone.com/yuwYbY
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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