t point)
{
	printf("the point is: (%d,%d,%d)\n",point.x,point.y,point.z);
}

int
main(int argc, char** argv)
{
	point p;
	p.x = 2;
	p.y = 3;
	p.z = 4;

	float length = sqrt(p.x * p.x + p.y * p.y);

	printf("float: %.6f\n", length);
	printf("int: %d\n", p.z);

	print_point(p);

	return 0;
}
</pre>

<h3>Include</h3>

<p>Generally, projects will include <code>.h</code> files which in turn will include their own <code>.c</code> files. The following form is used for system header files. It searches for a file na