Program which restrict the movement of pointer using c programming language

Q.Write a c program which restrict the movement of pointer?

Ans:

//restric the x and y cordinate

#include

#include

void main()

{

union REGS i,o;

//show mouse pointe

i.x.ax=1;

int86(0x33,&i,&o);

//x cordinate restiction

i.x.ax=7;

i.x.cx=20;

i.x.dx=300;

int86(0x33,&i,&o);

//y cordinate restriction

i.x.ax=8;

i.x.cx=50;

i.x.dx=250;

int86(0x33,&i,&o);

getch();

}