(split) LDP: Update original to LDP v3.40.

[linuxjm/LDP_man-pages.git] / original / man3 / posix_openpt.3

diff --git a/original/man3/posix_openpt.3 b/original/man3/posix_openpt.3
index 3a009b1..aa81d3c 100644 (file)
--- a/original/man3/posix_openpt.3
+++ b/original/man3/posix_openpt.3
@@ -22,7 +22,7 @@
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
 .\"
-.TH POSIX_OPENPT 3 2010-10-04 "" "Linux Programmer's Manual"
+.TH POSIX_OPENPT 3 2012-04-20 "" "Linux Programmer's Manual"
 .SH NAME
 posix_openpt \- open a pseudoterminal device
 .SH SYNOPSIS
@@ -80,7 +80,9 @@ is part of the UNIX 98 pseudoterminal support (see
 .BR pts (4)).
 This function is specified in POSIX.1-2001.
 .SH NOTES
-This function is a recent invention in POSIX.
+The
+.BR posix_openpt ()
+function is a recent invention in POSIX.
 Some UNIX implementations that support System V
 (aka UNIX 98) pseudoterminals don't have this function, but it
 is easy to implement:
@@ -94,6 +96,13 @@ posix_openpt(int flags)
 }
 .fi
 .in
+.PP
+Calling
+.BR posix_openpt ()
+creates a pathname for the corresponding pseudoterminal slave device.
+The pathname of the slave device can be obtained using
+.BR ptsname (3).
+The slave device pathname exists only as long as the master device is open.
 .SH "SEE ALSO"
 .BR open (2),
 .BR getpt (3),