C语言函数大全(i开头)函数名: imagesize功能: 返回保存位图像所需的字节数用法: unsigned far imagesize(int left, int top, int right, int bottom);程序例:#include#include#include#include#define ARROW_SIZE 10void draw_arrow(int x, int y);int main(void)/* request autodetection */int gdriver = DETECT, gmode, errorcode;void *arrow;int x, y, maxx;unsigned int size;/* initialize graphics and local variables */initgraph(&gdriver, &gmode, );/* read result of initialization */errorcode = graphresu
