Update README

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

diff --git a/original/man3/clearenv.3 b/original/man3/clearenv.3
index e7cc177..f9d0ef3 100644 (file)
--- a/original/man3/clearenv.3
+++ b/original/man3/clearenv.3
@@ -1,5 +1,6 @@
 .\" Copyright 2001 John Levon <moz@compsoc.man.ac.uk>
 .\"
+.\" %%%LICENSE_START(VERBATIM)
 .\" Permission is granted to make and distribute verbatim copies of this
 .\" manual provided the copyright notice and this permission notice are
 .\" preserved on all copies.
@@ -19,9 +20,10 @@
 .\"
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
+.\" %%%LICENSE_END
 .\"
 .\" Additions, aeb, 2001-10-17.
-.TH CLEARENV 3  2010-10-04 "Linux" "Linux Programmer's Manual"
+.TH CLEARENV 3  2014-08-19 "Linux" "Linux Programmer's Manual"
 .SH NAME
 clearenv \- clear the environment
 .SH SYNOPSIS
@@ -45,7 +47,7 @@ function clears the environment of all name-value
 pairs and sets the value of the external variable
 .I environ
 to NULL.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
 The
 .BR clearenv ()
 function returns zero on success, and a nonzero
@@ -53,9 +55,8 @@ value on failure.
 .\" Most versions of UNIX return -1 on error, or do not even have errors.
 .\" Glibc info and the Watcom C library document "a nonzero value".
 .SH VERSIONS
-Not in libc4, libc5.
-In glibc since glibc 2.0.
-.SH "CONFORMING TO"
+Available since glibc 2.0.
+.SH CONFORMING TO
 Various UNIX variants (DG/UX, HP-UX, QNX, ...).
 POSIX.9 (bindings for FORTRAN77).
 POSIX.1-1996 did not accept
@@ -65,7 +66,7 @@ and
 but changed its mind and scheduled these functions for some
 later issue of this standard (cf. B.4.6.1).
 However, POSIX.1-2001
-only adds
+adds only
 .BR putenv (3),
 and rejected
 .BR clearenv ().
@@ -92,9 +93,18 @@ functions, then
 will return an error and the process environment will remain unchanged.
 .\" .LP
 .\" HP-UX has a ENOMEM error return.
-.SH "SEE ALSO"
+.SH SEE ALSO
 .BR getenv (3),
 .BR putenv (3),
 .BR setenv (3),
 .BR unsetenv (3),
 .BR environ (7)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.