To: lederman AT dstc DOT qut DOT edu DOT au
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: Am I being debugged? 
Date: Thu, 15 Dec 94 08:39:05 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>

>   Anyone have any ideas on how a program might discover whether it was
>    invoked normally or via "go32 -d gdb ..."

Try looking at the original PSP of the invoked program.  Its
address is one of the fields of the _go32_info_block variable
declared on <go32.h>.  I didn't try this, but the command line
tail in there just might still hold the original command line
used to invoke your program.