Date: Wed, 6 Jul 94 13:18:22 -0400 From: dj AT ctron DOT com (DJ Delorie) To: acmq AT beta DOT coe DOT ufrj DOT br Cc: djgpp AT sun DOT soe DOT clarkson DOT edu Subject: Re: Exception error in strcpy If the register load in question has a NULL in it, you are dereferencing a NULL pointer. Note that this check, unfortunately, is disabled in DPMI (dpmi 0.9 can't unmap the first page), so you may be avoiding the problem on one machine by being in dpmi mode. Running "go32" alone will tell you what mode you're in.