Tests chunk memory copy in C

chunk_cpy.c

/**
 * Test chunk memcpy 
 * 
 * @author pavl_g
 */
#include <stdio.h>
#include <string.h>

static inline void printAddresses(char* arr, int length) {
    for (int i = 0; i < length; i++) {
        printf("%p", &((arr)[i]));
        printf("\n");
    }
}

static inline void printValues(char* arr, int length) {
    for (int i = 0; i < length; i++) {
        printf("%c", arr[i]);
    }
    printf("\n");
}

int main() {
    /* 20 bytes */
    const int length = 20;
    char src[length];
    char dest[length];

    src[0] = 'a';
    src[1] = 'b';
    src[2] = 'c';
    src[3] = 'd';

    printAddresses(src, length);
    printValues(src, length);
    
    /* copy values [length] from src starting from index [2] to the 
    dest buffer starting from index [2] */
    memcpy(&dest[2], &src[2], length);
    
    printAddresses(dest, length);
    printValues(dest, length);
    
    return 0;
}