C Program to display mouse pointer in graphics mode

This program displays mouse pointer in graphics mode. First graphics mode is initialized and then mouse using initmouse.

C programming code

#include<graphics.h>
#include<conio.h>
#include<dos.h>
 
int initmouse();
void showmouseptr();
 
union REGS i, o;
 
main()
{
   int status, gd = DETECT, gm;
 
   initgraph(&gd,&gm,"C:\\TC\\BGI");
 
   status = initmouse();
 
   if ( status == 0 )
      printf("Mouse support not available.\n");
   else
      showmouseptr();
 
   getch();
   return 0;
}
 
int initmouse()
{
   i.x.ax = 0;
   int86(0X33,&i,&o);
   return ( o.x.ax );
}
 
void showmouseptr()
{
   i.x.ax = 1;
   int86(0X33,&i,&o);
}