csu3_am335x/EVSE/GPL/linux-pam-1.5.2/doc/man/pam_getenv.3.xml

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
                   "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id='pam_getenv'>
  <refmeta>
    <refentrytitle>pam_getenv</refentrytitle>
    <manvolnum>3</manvolnum>
    <refmiscinfo class='setdesc'>Linux-PAM Manual</refmiscinfo>
  </refmeta>

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

<!-- body begins here -->

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

  <refsect1 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>