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authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
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+<TITLE>putenv</TITLE>
+<body bgcolor="#ffffcc">
+<hr>
+<pre>
+
+
+
+<h3>PUTENV(3) Linux Programmer's Manual PUTENV(3)
+</h3>
+
+<h3>NAME
+</h3> putenv - change or add an environment variable
+
+<h3>SYNOPSIS
+</h3> #include &lt;stdlib.h&gt;
+
+ int putenv(const char *string);
+
+<h3>DESCRIPTION
+</h3> The putenv() function adds or changes the value of envi-
+ ronment variables. The argument string is of the form
+ name = value. If name does not already exist in the envi-
+ ronment, then string is added to the environment. If name
+ does exist, then the value of name in the environment is
+ changed to value.
+
+<h3>RETURN VALUE
+</h3> The putenv() function returns zero on success, or -1 if an
+ error occurs.
+
+<h3>ERRORS
+</h3> ENOMEM Insufficient space to allocate new environment.
+
+<h3>CONFORMING TO
+</h3> SVID 3, POSIX, BSD 4.3
+
+</pre>
+<hr>
+<h3>SEE ALSO
+</h3><p>
+<a href=getenv.htm>getenv</a>,
+<a href=setenv.htm>setenv</a>,
+<a href=unsetenv.htm>unsetenv</a>,
+<pre>
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+<h3>GNU April 8, 1993 1
+</h3>
+
+ </pre>
+<P>
+<hr>
+<p>
+<center>
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