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From: coleman@cam.nist.gov (Sean Sheridan Coleman X5672)
Newsgroups: comp.unix.wizards,comp.unix.internals
Subject: Getting status of DCE device from a DTE device
Message-ID: <8283@alpha.cam.nist.gov>
Date: 23 Apr 91 23:56:38 GMT
Organization: National Institute of Standards & Technology, Gaithersburg, MD
Lines: 14

Is there a way from inside a C program to find out if
DATA CARRIER DETECT is high on the Data communication devices?

I want my program to see if there is a modem device on the
other end of the cable before it tries to use that port.
I am trying to make sure that the port plugged into the 
back of my Sparc Station is hooked into something.


Thanks

Sean Coleman
NIST
coleman@bldrdoc.gov