📄 funtc205b.dat
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#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#define ARROW_SIZE 10
void draw_arrow(int x, int y);
int main(void)
{
int gdriver = DETECT, gmode, errorcode;
void *arrow;
int x, y, maxx;
unsigned int size;
initgraph(&gdriver, &gmode, );
errorcode = graphresult();
if (errorcode != grOk)
{
printf("Graphics error: %s", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
exit(1);
}
maxx = getmaxx();
x = 0;
y = getmaxy() / 2;
draw_arrow(x, y);
size = imagesize(x, y-ARROW_SIZE, x+(4*ARROW_SIZE), y+ARROW_SIZE);
arrow = malloc(size);
getimage(x, y-ARROW_SIZE, x+(4*ARROW_SIZE), y+ARROW_SIZE, arrow);
while (!kbhit())
{
putimage(x, y-ARROW_SIZE, arrow, XOR_PUT);
x += ARROW_SIZE;
if (x >= maxx)
x = 0;
putimage(x, y-ARROW_SIZE, arrow, XOR_PUT);
}
free(arrow);
closegraph();
return 0;
}
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