#include <stdio.h>
 
#include <string.h>
 
#include <errno.h>
int main()
{
   int a1[10], a2[100], i;
   int err =0 ;
   // Populate a2 with squares of integers
   for (i = 0; i < 100; i++)
   {
      a2[i] = i*i;
   }
   // Tell memcpy_s to copy 10 ints (40 bytes), giving
   // the size of the a1 array (also 40 bytes).
   err = memcpy(a1, a2, 10 * sizeof (int) );
   if (!err)
   {
      printf("Error executing memcpy_s.\n");
   }
   else
   {
     for (i = 0; i < 10; i++)
       printf("%d ", a1[i]);
   }
   printf("\n");
}

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