Copy

#include <stdio.h>
double source[5]={1.1,2.2,3.3,4.4,5.5};
double target1[5];
double target2[5];

void copy_arr(double source[], double target1[], int num);
void print_array(double target[], int size);
void copy_ptr(double source[], double target1[], int num);

int main(void){
    copy_arr(source, target1, 5);
    print_array(target1, 5);
    printf("\n");
    copy_ptr(source, target2, 5);
    print_array(target2, 5);

    return 0;
}

void copy_arr(double source[], double target1[], int num){
    int i;
    for(i=0; i<num; i++){
        target1[i]=source[i];
    }
}

void copy_ptr(double source[], double target1[], int num){
    int i;
    double *ptr = source;
    double *ptr2=target1;
    for(i=0; i<num; i++){
        *ptr2=*ptr;
        ptr2++;
        ptr++;
    }
}

void print_array(double target[], int size){
    int i;
    for(i=0;i<size; i++){
        printf("%.1f\n", target[i]);
    }
}