/*
 * matrixvar.c
 *
 * Beispiel-Programm Matrix als Array von Arrays.
 * Siehe zum Vergleich matrixpointer.c
 *
 * Autor: H.Drachenfels
 * Erstellt am: 12.8.2020
 */

#include <stdio.h>
#include <stdlib.h>

#define M 3 // number of columns

int main(void)
{
    int matrix[][M] = {{10, 11, 12}, {20, 21, 22}};
    const int n = sizeof matrix / sizeof *matrix;

    //-------------------------------- print matrix addresses and values
    printf("&matrix = %p\n", (void*) &matrix);
    printf("matrix = %p\n", (void*) matrix);

    for (int i = 0; i < n; ++i)
    {
        printf("[%d] %p\n", i, (void*) matrix[i]);

        for (int j = 0; j < M; ++j)
        {
            printf("  [%d] %p: %d\n", j, (void*) &matrix[i][j], matrix[i][j]);
        }
    }

    return 0;
}