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From:	"Rod Pemberton" <do_not_have AT noavailemail DOT cmm>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: argv[0]
Date:	Sun, 27 Nov 2011 17:50:04 -0500
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"Georg" <dosusb AT googlemail DOT com> wrote in message
news:16b04d29-8317-4c7f-929c-1a22a328fa32 AT p9g2000vbb DOT googlegroups DOT com...
> Does argv[0] in main() always return the absolute path to the running
> program including drive letter or are there situations where it does
> not?
>

You change what argv[0] passes using some flags, if that's what you want.
Or, do you just need to know if the path is always valid?  complete?  LFN
vs. SFN?  etc?


Do these line help?

__crt0_startup_flags
http://www.delorie.com/djgpp/doc/libc/libc_124.html

FAQ on command-line parameters
http://www.delorie.com/djgpp/v2faq/faq16.html

__crt0_glob_function
http://www.delorie.com/djgpp/doc/libc/libc_121.html

__crt0_setup_arguments
http://www.delorie.com/djgpp/doc/libc/libc_123.html

__crt0_load_environment_file
http://www.delorie.com/djgpp/doc/libc/libc_122.html


Rod Pemberton

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