funtc42b.dat

这是一个包含多个语言的指令集

clearerr

#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
{
    int gdriver = DETECT, gmode, errorcode;
    int midx, midy;
    initgraph(&gdriver, &gmode, );
    errorcode = graphresult();
    if (errorcode != grOk)
    {
        printf("Graphics error: %s
", grapherrormsg(errorcode));
        printf("Press any key to halt:");
        getch();
        exit(1);
    }
    midx = getmaxx() / 2;
    midy = getmaxy() / 2;
    setcolor(getmaxcolor());
    settextjustify(CENTER_TEXT, CENTER_TEXT);
    outtextxy(midx, midy, "press any key to clear the screen:");
    getch();
    cleardevice();
    outtextxy(midx, midy, "press any key to quit:");
    getch();
    closegraph();
    return 0;
}