funtc109b.dat

这是一个包含多个语言的指令集

#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#define CLIP_ON 1
int main(void)
{
    int gdriver = DETECT, gmode, errorcode;
    int ht;
    initgraph(&gdriver, &gmode, );
    errorcode = graphresult();
    if (errorcode != grOk)
    {
        printf("Graphics error: %s
", grapherrormsg(errorcode));
        printf("Press any key to halt:");
        getch();
        exit(1);
    }
    setcolor(getmaxcolor());
        ht = textheight("W");
    outtextxy(0, 0, "* <-- (0, 0) in default viewport");
    setviewport(50, 50, getmaxx()-50, getmaxy()-50, CLIP_ON);
    outtextxy(0, 0, "* <-- (0, 0) in smaller viewport");
    outtextxy(0, 2*ht, "Press any key to clear viewport:");
    getch();
    clearviewport();
    outtextxy(0, 0, "Press any key to quit:");
    getch();
    closegraph();
    return 0;
}