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Mar 27th, 2019
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int array_len(int *a);
  5.  
  6. void func(int *p, size_t n) {
  7.     for (size_t i = 0; i < n; i++)
  8.         printf("%d ", p[i]);
  9. }
  10.  
  11. int main(void) {
  12.     int array[3] = { 1, 2, 3 };
  13.    
  14.     func(array, array_len(array));
  15.    
  16.     return 0;
  17. }
  18.  
  19. int array_len(int *a)
  20. {
  21.     sizeof a / sizeof *a;
  22. }
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