2d array and fwrite and fread

int multiply(int x, int y)

{

return x*y;

}



int add(int x, int y)

{

return x+y;

}



int ** create_table(int size, int (* oper) (int, int))

{

   int x;

   int y;

   int **2darray;

   2darray = malloc (size*sizeof(int*));



   for(x = 0; x < size; x++)

   {

		2darray[x] = (int*)malloc(sizeof(int)*size);

	for(y=0;y       {

		2darray[x][y]=(* oper)(x,y);

	}

   }

    return 2darray;

}



int save_table(FILE * fp, int ** table, int size)

{

   int x=0;

   if(fp==NULL)

   {

	    return 0;

   } else {

    for(x;x < size;x++)

           fwrite(table[x],sizeof(int),size,fp);    

}

    return 1;       

}



int get_table_size(FILE *file)

{

     int nitems;

  

     if(file==NULL)

           return 1

     fread(&nitems,sizeof(int),1,file);

    

     return nitems;

}