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  1. #include <stdio.h>
  2.  
  3. void swap(int *a, int b);
  4.  
  5. int main(void)
  6. {
  7.     int a[4] = {1, 2, 3, 4};
  8.     int b = 3;
  9.  
  10.     swap(a+1, b);
  11.  
  12.     printf("a[0] = %d, a[1] = %d, b = %d\n", a[0], a[1], b);
  13.  
  14.     return 0;
  15. }
  16.  
  17. void swap(int *a, int b)
  18. {
  19.     int temp;
  20.  
  21.     temp = *a;
  22.     *a = b;
  23.     b = temp;
  24. }
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin 
Standard input is empty
stdout 
a[0] = 1, a[1] = 3, b = 3
https://ideone.com/0mhXiD
language:
C99 (gcc 8.3)
created:
2 days ago
visibility:
public

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