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  1. #include <stdio.h>
  2.  
  3. void Foo(int bar)
  4. {
  5.   bar = bar * 2;
  6.   printf("bar = %d\n", bar);
  7. }
  8.  
  9. void Foo2(int *bar)
  10. {
  11.   *bar = *bar * 2;
  12. }
  13.  
  14. int main(void) {
  15.   int x = 3;
  16.   Foo(x);
  17.   printf("x after call to Foo = %d\n", x);
  18.  
  19.   Foo2(&x);
  20.   printf("x after call to Foo2 = %d\n", x);
  21.   return 0;
  22. }
  23.  
Success #stdin #stdout 0s 9432KB
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stdin
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Standard input is empty
stdout
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bar = 6
x after call to Foo = 3
x after call to Foo2 = 6
https://ideone.com/nxdrwe
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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