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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.  
  5.  
  6. if(--i)
  7. {
  8. main ();
  9. printf("%d", i);
  10.  
  11. }
  12. return 0;
  13. }
  14.  
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.c: In function 'main':
prog.c:6:6: error: 'i' undeclared (first use in this function)
 if(--i)
      ^
prog.c:6:6: note: each undeclared identifier is reported only once for each function it appears in
stdout
Standard output is empty