+entity turret_projectile(Sound _snd, float _size, float _health, float _death, float _proj_type, float _cull, float _cli_anim);
+void turret_projectile_explode();
+float turret_validate_target(entity e_turret, entity e_target, float validate_flags);
+float turret_firecheck();
+entity turret_select_target();
+