void apply_sword(){
   VECTOR ang, pos;
   while (you){ // do as long player != NULL
      // move with players animation
      vec_for_bone(pos, you, "Right Hand"); // get xyz pos of hand bone
      ang_for_bone(ang, you, "Right Hand"); // get rotation of hand bone
      vec_set(my.x, pos.x); // set xyz
      vec_set(my.pan, ang); // set rotation

      // optional animation
      //my.skill1 += time_step;
      //ent_animate(me, "idle", my.skill1, ANM_CYCLE);
      wait(1);
      }
      ptr_remove(me); // no more player ? remove weapon
}
..
action myPlayer()
{
  player = me;
  // create the sword and apply to players hand
  ent_create("sword.mdl", vector(player.x, player.y, player.z), apply_sword);
}

action myPlayer(){
   ..
   ENTITY* sword = ent_create (...)
   ..
   while (my.health > 0){ // or whatever
      ..
      if (sword){ // place code from above here vec_for_bone etc
         vec_for_bone...
         ...
         vec_set (sword.x,....);
         ..
      }
   wait (1);
   }
   ..
}