4 vector real_origin(entity ent);
5 float shortangle_f(float ang1, float ang2);
6 float anglemods(float v);
7 float turret_tag_fire_update();
8 vector shortangle_vxy(vector ang1, vector ang2);
9 vector angleofs(entity from, entity to);
10 vector angleofs3(vector from, vector from_a, entity to);
11 void FireImoBeam (vector start, vector end, vector smin, vector smax, float bforce, float f_dmg, float f_velfactor, float deathtype);