From d372521ec01234c80bfb386a1beed3e717995c71 Mon Sep 17 00:00:00 2001
From: Skip Montanaro <skip@pobox.com>
Date: Wed, 19 Jul 2000 17:30:58 +0000
Subject: added doc for isatty()

---
 Doc/lib/libos.tex | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index cb55eb5..aa8c7d5 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -360,6 +360,12 @@ so that it is at most \var{length} bytes in size.
 Availability: \UNIX{}.
 \end{funcdesc}
 
+\begin{funcdesc}{isatty}{fd}
+Return \code{1} if the file descriptor \var{fd} is open and connected to a
+tty(-like) device, else \code{0}.
+Availability: \UNIX{}
+\end{funcdesc}
+
 \begin{funcdesc}{lseek}{fd, pos, how}
 Set the current position of file descriptor \var{fd} to position
 \var{pos}, modified by \var{how}: \code{0} to set the position
-- 
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