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  1. #include <stdio.h>
  2.  
  3. int * pGlobal;
  4.  
  5. void foo(void)
  6. {
  7.     *pGlobal = 900;
  8. }
  9.  
  10. int main(void)
  11. {
  12.     int num = 15;
  13.  
  14.     pGlobal = &num;
  15.  
  16.     printf("\n%d", *pGlobal);
  17.     printf("\n%d", num);
  18.  
  19.     *pGlobal = 5;
  20.  
  21.     printf("\n%d", *pGlobal);
  22.     printf("\n%d", num);
  23.  
  24.     foo();
  25.  
  26.     printf("\n%d", *pGlobal);
  27.     printf("\n%d", num);
  28.  
  29.     return 0;
  30. }
  31.  
Success #stdin #stdout 0s 2112KB
comments (?)
stdin
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Standard input is empty
stdout
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15
15
5
5
900
900
https://ideone.com/qMI6SJ
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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