<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="pam_getenv">
  <refmeta>
    <refentrytitle>pam_getenv</refentrytitle>
    <manvolnum>3</manvolnum>
    <refmiscinfo class="source">Linux-PAM</refmiscinfo>
    <refmiscinfo class="manual">Linux-PAM Manual</refmiscinfo>
  </refmeta>

  <refnamediv xml:id="pam_getenv-name">
    <refname>pam_getenv</refname>
    <refpurpose>get a PAM environment variable</refpurpose>
  </refnamediv>

<!-- body begins here -->

  <refsynopsisdiv>
    <funcsynopsis xml:id="pam_getenv-synopsis">
      <funcsynopsisinfo>#include &lt;security/pam_appl.h&gt;</funcsynopsisinfo>
      <funcprototype>
        <funcdef>const char *<function>pam_getenv</function></funcdef>
        <paramdef>pam_handle_t *<parameter>pamh</parameter></paramdef>
        <paramdef>const char *<parameter>name</parameter></paramdef>
      </funcprototype>
    </funcsynopsis>
  </refsynopsisdiv>


  <refsect1 xml:id="pam_getenv-description">
    <title>DESCRIPTION</title>
    <para>
      The <function>pam_getenv</function> function searches the
      PAM environment list as associated with the handle
      <emphasis>pamh</emphasis> for an item that matches the string
      pointed to by <emphasis>name</emphasis> and returns a pointer
      to the value of the environment variable. The application is
      not allowed to free the data.
    </para>
  </refsect1>

  <refsect1 xml:id="pam_getenv-return_values">
    <title>RETURN VALUES</title>
    <para>
      The <function>pam_getenv</function> function returns NULL
      on failure.
    </para>
  </refsect1>

  <refsect1 xml:id="pam_getenv-see_also">
    <title>SEE ALSO</title>
    <para>
      <citerefentry>
        <refentrytitle>pam_start</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>pam_getenvlist</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>pam_putenv</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
      </citerefentry>
    </para>
  </refsect1>
</refentry>