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  1. #include <stdio.h>
  2.  
  3. #define RETURN_SUCCESS() {return 0;}
  4. #define RETURN_FAILURE() {return 1;}
  5.  
  6. int func(void)
  7. {
  8.     if (0)
  9.         RETURN_SUCCESS();
  10.     else
  11.         RETURN_FAILURE();
  12. }
  13.  
  14. int main() {
  15.     printf("%d\n", func());
  16. }
Compilation error #stdin compilation error #stdout 0s 2248KB
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stdin
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Standard input is empty
compilation info 
prog.c: In function ‘func’:
prog.c:10:5: error: ‘else’ without a previous ‘if’
     else
     ^
prog.c: In function ‘main’:
prog.c:16:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
stdout
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Standard output is empty
https://ideone.com/Fdar39
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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