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<section id="krb5-get-host-realm-get-the-kerberos-realm-names-for-a-host">
<h1>krb5_get_host_realm - Get the Kerberos realm names for a host.<a class="headerlink" href="#krb5-get-host-realm-get-the-kerberos-realm-names-for-a-host" title="Permalink to this headline">¶</a></h1>
<dl class="c function">
<dt class="sig sig-object c" id="c.krb5_get_host_realm">
<a class="reference internal" href="../types/krb5_error_code.html#c.krb5_error_code" title="krb5_error_code"><span class="n"><span class="pre">krb5_error_code</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">krb5_get_host_realm</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="../types/krb5_context.html#c.krb5_context" title="krb5_context"><span class="n"><span class="pre">krb5_context</span></span></a><span class="w"> </span><span class="n"><span class="pre">context</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="kt"><span class="pre">char</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">host</span></span>, <span class="kt"><span class="pre">char</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="p"><span class="pre">*</span></span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">realmsp</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.krb5_get_host_realm" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>
<dl class="field-list">
<dt class="field-odd">param</dt>
<dd class="field-odd"><p><strong>[in]</strong> <strong>context</strong> - Library context</p>
<p><strong>[in]</strong> <strong>host</strong> - Host name (or NULL)</p>
<p><strong>[out]</strong> <strong>realmsp</strong> - Null-terminated list of realm names</p>
</dd>
</dl>
<dl class="field-list simple">
<dt class="field-odd">retval</dt>
<dd class="field-odd"><ul class="simple">
<li><p>0 Success</p></li>
<li><p>ENOMEM Insufficient memory</p></li>
</ul>
</dd>
<dt class="field-even">return</dt>
<dd class="field-even"><ul class="simple">
<li><p>Kerberos error codes</p></li>
</ul>
</dd>
</dl>
<p>Fill in <em>realmsp</em> with a pointer to a null-terminated list of realm names. If there are no known realms for the host, a list containing the referral (empty) realm is returned.</p>
<p>If <em>host</em> is NULL, the local host’s realms are determined.</p>
<p>Use krb5_free_host_realm() to release <em>realmsp</em> when it is no longer needed.</p>
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