old_y              71 usr/sample/balls/balls.c 	int old_x, old_y;
old_y              75 usr/sample/balls/balls.c 	old_x = old_y = 0;
old_y              84 usr/sample/balls/balls.c 		printf("\33[%d;%dH ", old_y / 10, old_x / 10);
old_y              94 usr/sample/balls/balls.c 		old_y = y;