220.  void
221.  polyself(forcecontrol)
222.  boolean forcecontrol;     
223.  {
224.  	char buf[BUFSZ];
225.  	int old_light, new_light;
226.  	int mntmp = NON_PM;
227.  	int tries=0;
....
234.  
235.          if(!Polymorph_control && !forcecontrol && !draconian && !iswere && !isvamp) {
236.  	    if (rn2(20) > ACURR(A_CON)) {
237.  		You(shudder_for_moment);
238.  		losehp(rnd(30), "system shock", KILLED_BY_AN);
239.  		exercise(A_CON, FALSE);
240.  		return;