函数名: bar 功 能: 画一个二维条形图 用 法: void far bar(int left, int top, int right, int bottom) -Function name: bar function: draw a two-dimensional bar usage: void far bar (int left, int top, int right, int bottom)

函数名: bar3d 功 能: 画一个三维条形图 用 法: void far bar3d(int left, int top, int right, int bottom, int depth, int topflag)-Function name: bar3d function: draw a three-dimensional bar graph usage: void far bar3d (int left, int top, int right, int bottom,