Write a function that copies an array of integers using pointers.

Write a main function to test your functions.

Difficulty level
This exercise is mostly suitable for students 
#include <stdio.h>
#define SZ 3

void copy(int src[], int dst[], int sz)
{
	int *s = src;
	int *d = dst;
	int i;
	for (i=0; i<sz; i++ ) 
	{
    		*d = *s; 
		s++; 
		d++;
	}
}

void main() {
  	int a[SZ] = { 1, 2, 3};
  	int b[SZ];
  	int i;
  	copy(a,b,SZ);
  	for ( i=0; i<SZ; i++) 
		printf("%d ", b[i]); 
}
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