>While experimenting, I was reminded of another hazard of sbrk(). For >example, this program produces a segmentation fault on a Sun4 under >SunOS 4.1: ** Program Deleted *** OK, I give up. Why ? -- Stan Brown P. c. Design 404-363-2303 Ataant Ga. (emory|gatech|uunet) rsiatl!sdba!stan "vi forever"