#include <stdio.h>
 
void data_copy(const int data[], int copy_data[], int len);
 
int main(void)
{
    int n1[5] = {1, 2, 3, 4, 5};
    int n2[5] = {6, 7, 8, 9, 10};
    int n3[20] = {0};
    int l = sizeof(n1) / sizeof(n1[0]);
 
    data_copy(n1, n2, l);
 
    for (int i = 0; i < l; i++) {
        printf("copy_data[%d] = %d\n", i, n2[i]);
    }
 
    return 0;
}
 
void data_copy(const int data[], int copy_data[], int len)
{
    for (int i = 0; i < len; i++) {
        copy_data[i] = data[i];
    }
}

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