2차원 배열 복사

2차원 배열을 다른 2차원 배열로 복사하는 array_copy(char array1[], char array2[], int size) 함수를 구현하고 테스트하여 보라. 수행 속도를 위하여 배열 첨자 방법 대신에 포인터를 사용하라.

#include <stdio.h>
#define HEIGHT 5
#define WIDTH 10
void print(int array[][WIDTH]);
void copy(int array1[][WIDTH],int array2[][WIDTH]);
int main(void)
{    
    int image1[HEIGHT][WIDTH]={{0,0,0,0,9,0,0,0,0,0},
    {1,0,0,9,9,0,0,0,0,0},
    {5,0,9,0,9,0,0,0,0,4},
    {4,0,0,0,8,0,0,2,0,0},
    {3,0,0,0,9,0,0,0,0,8}};
    int image2[HEIGHT][WIDTH]={{0,0,0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0,0,0}};
    printf("이미지1 : \n");
    print(image1);
    printf("이미지2 : \n");
    print(image2);
    copy(image1,image2);
    printf("복사된이미지2 : \n");
    print(image2);
return 0;    
}
void print(int array[][WIDTH])
{
int i,j;
for(i=0;i<HEIGHT;i++)
        {for(j=0;j<WIDTH;j++)
        {
            printf("%3d ", array[i][j]);
        }
        printf("\n");
    }
}
void copy(int array1[][WIDTH],int array2[][WIDTH])
{
    int *p1, *endp1;
    int *p2;
    p1=&array1[0][0];
    p2=&array2[0][0];
    endp1=&array1[HEIGHT-1][WIDTH-1];
    while(p1<=endp1)
    {
        *p2=*p1;
        p1++;p2++;
    }
}