From:	colman DOT curtin AT trintech DOT com (Colman Curtin)
Subject:	ioctl() function
13 Oct 1998 04:01:52 -0700 :
Message-ID:	<E12492F28A2BD211A9020008C724FD4A21CEF9.cygnus.gnu-win32@ntdub0e.trintech.ie>
Mime-Version:	1.0
To:	gnu-win32 AT cygnus DOT com

Hi 
I was trying to port some unix code and it uses ioctl() for serial comms.
sys/ioctl.h was either missing or blank - I can't remember.
I added some #defs from linux.
and now the code appears to read and write to/from the port.
The code I have checks if DCD is active to see if a call is being made to a
modem.
But this is where things don't work. 

ioctl(portfd, TIOCMGET, &stat) returns -1
so it never detects carrier. where can I get correct values for ioctl.h or
should I be using a different call under NT??
(NT4, sp3, 64MB)
TIA

Colman Curtin	Software Team Leader
*Trintech - The Secure Way to Pay*
Trintech Technologies Ltd,
South County Business Park,
Leopardstown, Dublin 18, Ireland.
Tel: +353-1-207-4000
Fax: +353-1-207-4015
mailto:colman DOT curtin AT trintech DOT com
http://www.trintech.com/


Scotty:	Captain, we din' can reference it!
Kirk:	Analysis, Mr. Spock?
Spock:	Captain, it doesn't appear in the symbol table.
Kirk:	Then it's of external origin?
Spock:	Affirmative.
Kirk:	Mr. Sulu, go to pass two.
Sulu:	Aye aye, sir, going to pass two.
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