vec_copy()

vec_copy	(	struct vector *	vdest,
		const struct vector	vsrc
	)

Copies a vector in another one.

Parameters

[out]	vdest	vector.
[in]	vsrc	vector.

                                                            {
  vdest->x = vsrc.x;
  vdest->y = vsrc.y;
  vdest->z = vsrc.z;
}