#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include <stdint.h>

void print_array(const void* array, int size, int num_elements, void (*print_fn)(const void*)) {
    // ugly thing we have to do: cast the array to some random 1 byte element type
    const uint8_t* byte_array = array;
    for(int i = 0; i < num_elements; i++) {
        // use the size to offset based on the index and the passed size
        print_fn(byte_array + (size * i));
        fputc('\n', stdout);
    }
}

void print_string(const void* a_data) {
    const char* const* a_str = a_data;
    fputs(*a_str, stdout);
}

void print_integer_in_decimal(const void* a_data) {
    const int* a_num = a_data;
    printf("%d", *a_num);
}

void print_integer_in_hexadecimal(const void* a_data) {
    const int* a_num = a_data;
    printf("%x", *a_num);
}

void print_string_with_quotes(const void* a_data) {
    const char* const* a_str = a_data;
    fputc('"', stdout);
    fputs(*a_str, stdout);
    fputc('"', stdout);
}
int main(int argc, char* argv[]) {
    const char* strings[] = {
        "Hello",
        "World",
        "Generic",
        "Addresses %s"
    };
    // type of strings is char**
    print_array(strings, sizeof(*strings), 4, print_string);
    print_array(strings, sizeof(*strings), 4, print_string_with_quotes);

    // type of numbers is int*
    int numbers[] = { 9, 7, 4, 18, 100 };
    print_array(numbers, sizeof(*numbers), 5, print_integer_in_decimal);
    print_array(numbers, sizeof(*numbers), 5, print_integer_in_hexadecimal);


    return EXIT_SUCCESS;
}
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