二维数组的文件化处理,包括存储和读取,谁能给出c程序编程,小妹在此多谢了!!!!!!!

FILE *fin = fopen("data.dat", "rb");
FILE *fout = fopen("output.dat", "wb");

double a[10][100], d;
int i, j;
for(i = 0; i < 10; i++)
for(j = 0; j < 100; j++)
{
fread(&d, sizeof(double), 1, fin);
a[i][j] = d;
fwrite(&d, sizeof(double), 1, fout);
}

fclose(fin);
fclose(fout);