C Programming :: Bitwise Operators - Discussion

What will be output of the following "c" code?

void main()
{
void swap();
int x=10,y=8;
swap(&x,&y);
printf("x=%d y=%d",x,y);
}
void swap(int *a, int *b)
{
*a ^= *b;
*b ^= *a;
*a ^= *b;
}