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  1. #include <stdio.h>
  2.  
  3. void fun(int *ptr) {
  4.   *ptr = 2;
  5. }
  6.  
  7. int main() {
  8.   int a = 0;
  9.   printf("%d\n", a);
  10.  
  11.   fun(&a);
  12.  
  13.   printf("%d\n", a);
  14.   return 0;
  15. }
Success #stdin #stdout 0.01s 1720KB
comments (?)
stdin 
Standard input is empty
stdout 
0
2
https://ideone.com/U4X4j
language:
C (gcc 8.3)
created:
14 years ago
visibility:
public

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