函数大全(b开头) 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); 程序例: #include #include #include #include int main(void) /* request auto detection */ int gdriver = DETECT, gmode, errorcode; int midx, midy, i; /* initialize graphics and local variables */ initgraph(&gdriver, &gmode, ); /* read result of initialization */ errorcode = graphresult(); if (errorcode != grOk) /* an error occurred */ printf(Graphics er
