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From: RayeR <glaux AT centrum DOT cz>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: argv[0]
Date: Tue, 6 Dec 2011 08:53:34 -0800 (PST)
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

> The absolute path name in the environment is available in MS-DOS,
> FreeDOS and a XP DOS box, but probably not on all DOS clones.

So this may be + for simpler solution with argv :)

> I called my program MCB - therefore I did not see this problem. DOS
> allows for 8 bytes in the MCB and if the program name is shorter it
> will add a NUL, not so if the program name is 8 bytes already.
> Therefore my code will print up to the next NUL after the program
> name.

Aha, I named the file as mcbtrace.c and mcbtrace.exe I didn't studied
the code much so I don't know about this side effect.

> I see no drive letter in the path - why does it start with MARTIN? Are
> you running from a network drive? What is the output of argv[0] in
> this case?

No, it's local drive K: so right path argv[0]="K:/MARTIN/C/EXAMPLES/
MCBTRACE.EXE"

Martin