#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>

#define STRING_LEN ((size_t) 16)

int main(void)
{
    char string[STRING_LEN] = {'\0'};
    int n;

    for (n = 0; n < (int)STRING_LEN; n++)
    {
        printf("%2d: [0x%02X]\n", n, string[n]);
    }

    (void) strcpy(&string[0], "hello there");

    printf("\n");

    for (n = 0; n < (int)STRING_LEN; n++)
    {
        printf("%02d: [0x%02X]\n", n, string[n]);
    }
}