Matrix memmove

gistfile1.c

#include <stdio.h>
#include <string.h>
#include <stdint.h> //uint8_t and friends

#define ROWS 3
#define COLS 4


int main(void){
    uint8_t m[ROWS][COLS] = {{1,2,3,4}, {5,6,7,8}, {9,10,11,12}};
    uint8_t i,j;
    uint8_t rows = ROWS;
    uint8_t cols = COLS;
    
    for (i=0; i<rows; i++) {
        for (j=0; j<cols; j++) {
            printf("m[%d][%d] = %d\n", i, j, m[i][j]);
        }
    }
    
    printf("\n\n");
    
    // viska minema teine rida
    // nagu n2ha liigutatakse rida indexiga 2 sinna kust algab rida indexiga 1
    memmove(&(m[1][0]), &(m[2][0]), COLS);
    rows = 2;    // sest nyyd on ridu v2hem
    
    for (i=0; i<rows; i++) {
        for (j=0; j<cols; j++) {
            printf("m[%d][%d] = %d\n", i, j, m[i][j]);
        }
    }
    
    return 0;
}