ライフゲームC言語バージョン とりあえず読み込むファイルは１が生きてて０が死んでる

lifegame.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define SIZE 20

void write_life(int life[][SIZE]){
    int i,j;
    int life_temp[SIZE][SIZE];

    for(i = 0;i < SIZE;i++){
        for(j = 0;j < SIZE;j++){
            life_temp[i][j] = live_or_dead(life,i,j);
        }
    }
    for(i = 0;i < SIZE;i++){
        for(j = 0;j < SIZE;j++){
            life[i][j] = life_temp[i][j];
        }
    }
}

int live_or_dead(int life[][SIZE],int h,int w){
    int i;
    int count = 0;
    if(life[h-1][w] == 1 && h != 0)
        count++;
    if(life[h+1][w] == 1 && h != SIZE-1)
        count++;
    if(life[h][w-1] == 1 && w != 0)
        count++;
    if(life[h][w+1] == 1 && w != SIZE-1)
        count++;
    if(life[h-1][w-1] == 1 && h != 0 && w != 0)
        count++;
    if(life[h-1][w+1] == 1 && h != 0 && w != SIZE-1)
        count++;
    if(life[h+1][w-1] == 1 && h != SIZE-1 && w != 0)
        count++;
    if(life[h+1][w+1] == 1 && h != SIZE-1 && w != SIZE-1)
        count++;

    if(life[h][w] == 1){
        if(count == 2 || count == 3)
            return 1;
        else
            return 0;
    }else{
        if(count == 3)
            return 1;
        else
            return 0;
    }

    return 0;
}

int main(void){
    int i=0,j=0;
    int life[SIZE][SIZE];
    char file_name[126];
    FILE *fp;

    scanf("%s",file_name);

    fp = fopen(file_name,"r");
    if(fp == NULL)
        return -1;

    for(i = 0;i < SIZE;i++){
        for(j = 0;j < SIZE;j++){
            fscanf(fp,"%d",&life[i][j]);
        }
    }
    system("clear");
    while(1){
     
        for(i = 0;i < SIZE;i++){
            for(j = 0;j < SIZE;j++){
                if(life[i][j] == 0)
                    printf("□ ");
                else
                    printf("■ ");
            }
            printf("\n\a");
        }
        sleep(1);
        system("clear");
        write_life(life);
    }
    fclose(fp);
    return 0;
}