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d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson<p>lwres_gai_strerror — print suitable error string</p>
59ddb53fd74be6c4d76536e45465f34f1a08b834Andreas Gustafsson<pre class="funcsynopsisinfo">#include <lwres/netdb.h></pre>
59ddb53fd74be6c4d76536e45465f34f1a08b834Andreas Gustafsson<table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr>
35b61b8fb1f377ec9b68bbc8e4e43fbd2756a04dAndreas Gustafsson<b class="fsfunc">gai_strerror</b>(</code></td>
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson<td>int <var class="pdparam">ecode</var><code>)</code>;</td>
5c62008dee307058a7f70511bf260fdea6f5b1d6Andreas Gustafsson<p><code class="function">lwres_gai_strerror()</code>
35b61b8fb1f377ec9b68bbc8e4e43fbd2756a04dAndreas Gustafsson returns an error message corresponding to an error code returned by
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson <code class="function">getaddrinfo()</code>.
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson The following error codes and their meaning are defined in
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson <code class="filename">include/lwres/netdb.h</code>.
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson<div class="variablelist"><dl class="variablelist">
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_ADDRFAMILY</span></span></dt>
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson address family for hostname not supported
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_AGAIN</span></span></dt>
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson temporary failure in name resolution
074ae7bf0993ced96b32e3e85553a401f3f3eca9Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_BADFLAGS</span></span></dt>
533df4efdafcf7a8b7292a298f45df9ab7f7f7f9Mark Andrews invalid value for
a488e91e5dedfd055b6a6e6dc3018866478facceAndreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_FAIL</span></span></dt>
322445da85b6a318cb2506d216442b3e5af7c3c0Andreas Gustafsson non-recoverable failure in name resolution
692f5c282d13b6a0276e5a60c87ab4af013d3b80Mark Andrews<dt><span class="term"><span class="errorcode">EAI_FAMILY</span></span></dt>
692f5c282d13b6a0276e5a60c87ab4af013d3b80Mark Andrews<dd><p><code class="constant">ai_family</code> not supported
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_MEMORY</span></span></dt>
9769d3146777ca71af80b459ecec1ef8e2d05950Andreas Gustafsson memory allocation failure
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_NODATA</span></span></dt>
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson no address associated with hostname
9769d3146777ca71af80b459ecec1ef8e2d05950Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_NONAME</span></span></dt>
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson hostname or servname not provided, or not known
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_SERVICE</span></span></dt>
9769d3146777ca71af80b459ecec1ef8e2d05950Andreas Gustafsson servname not supported for <code class="constant">ai_socktype</code>
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_SOCKTYPE</span></span></dt>
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson<dd><p><code class="constant">ai_socktype</code> not supported
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson<dt><span class="term"><span class="errorcode">EAI_SYSTEM</span></span></dt>
8f9d22f92aae318244392e217bd53c6173ee6079Andreas Gustafsson system error returned in errno
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson The message <span class="errorname">invalid error code</span> is returned if
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson <em class="parameter"><code>ecode</code></em>
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson is out of range.
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson<p><code class="constant">ai_flags</code>,
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson <code class="constant">ai_socktype</code>
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson are elements of the
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson <span class="type">struct addrinfo</span>
d8417b5f3406f4ace0f3bdb228b05a7b701976d6Andreas Gustafsson <code class="function">lwres_getaddrinfo()</code>.
4e0ab18258915b14c163aa9087390402f5ff599bAndreas Gustafsson<p><span class="citerefentry"><span class="refentrytitle">strerror</span>(3)</span>,
4e0ab18258915b14c163aa9087390402f5ff599bAndreas Gustafsson <span class="citerefentry"><span class="refentrytitle">lwres_getaddrinfo</span>(3)</span>,
4e0ab18258915b14c163aa9087390402f5ff599bAndreas Gustafsson <span class="citerefentry"><span class="refentrytitle">getaddrinfo</span>(3)</span>,
4e0ab18258915b14c163aa9087390402f5ff599bAndreas Gustafsson <span class="citerefentry"><span class="refentrytitle">RFC2133</span></span>.