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  1. #include <stdio.h>
  2.  
  3. void joe(int n);
  4. void fred(void);
  5. void mary(int *np);
  6. int n = 0;
  7.  
  8.  
  9. int main() {
  10. 	int n=2;
  11. 	printf("A%2d\n",n); 
  12. 	joe(n);
  13. 	printf("B%2d\n",n);
  14. 	fred();
  15. 	printf("C%2d\n",n);
  16. 	mary(&n);
  17. 	printf("D%2d\n",n);
  18. 	return 0;
  19. }
  20.  
  21. void joe(int n){
  22. 	n += 2;
  23. 	printf("E%2d\n",n);
  24. }
  25.  
  26. void fred(void){
  27. 	printf("F%2d\n",n); 
  28. 	n = 4;
  29. 	printf("G%2d\n",n); 
  30. }
  31.  
  32. void mary(int *n){
  33. 	printf("H%2d\n",*n); 
  34.  
  35. }
  36.  
  37.  
Success #stdin #stdout 0s 9416KB
comments (?)
stdin
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Standard input is empty
stdout
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A 2
E 4
B 2
F 0
G 4
C 2
H 2
D 2
https://ideone.com/Nd70Vh
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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