doc/doxygen/output/html/group__ipaddr.html - third_party/github/STMicroelectronics/stm32_mw_lwip - Git at Google

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   <div class="headertitle"><div class="title">IP address handling<div class="ingroups"><a class="el" href="group__infrastructure.html">Infrastructure</a></div></div></div>
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 Topics</h2></td></tr>
 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip4addr.html">IPv4 only</a></td></tr>
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 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip6addr.html">IPv6 only</a></td></tr>
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 Data Structures</h2></td></tr>
 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structip__addr.html">ip_addr</a></td></tr>
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 Typedefs</h2></td></tr>
 <tr class="memitem:ga335a8c9df66319e88a1a529047ce0a1e" id="r_ga335a8c9df66319e88a1a529047ce0a1e"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structip__addr.html">ip_addr</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a></td></tr>
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 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a>
 Enumerations</h2></td></tr>
 <tr class="memitem:gaf2142f0dfdcc938e2db16aa745ed585c" id="r_gaf2142f0dfdcc938e2db16aa745ed585c"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf2142f0dfdcc938e2db16aa745ed585c">lwip_ip_addr_type</a> { <a class="el" href="#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a> = 0U
 , <a class="el" href="#ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02">IPADDR_TYPE_V6</a> = 6U
 , <a class="el" href="#ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e">IPADDR_TYPE_ANY</a> = 46U
  }</td></tr>
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 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 Functions</h2></td></tr>
 <tr class="memitem:gaac2dcc0e35eb5cf6df9c47ba3c3cdeef" id="r_gaac2dcc0e35eb5cf6df9c47ba3c3cdeef"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gaac2dcc0e35eb5cf6df9c47ba3c3cdeef">ipaddr_ntoa</a> (const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *addr)</td></tr>
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 <tr class="memitem:ga1c8c13cc2feeb04ccf7ab1d592c47b04" id="r_ga1c8c13cc2feeb04ccf7ab1d592c47b04"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga1c8c13cc2feeb04ccf7ab1d592c47b04">ipaddr_ntoa_r</a> (const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *addr, char *buf, int buflen)</td></tr>
 <tr class="separator:ga1c8c13cc2feeb04ccf7ab1d592c47b04"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <h2 class="groupheader">Typedef Documentation</h2>
 <a id="ga335a8c9df66319e88a1a529047ce0a1e" name="ga335a8c9df66319e88a1a529047ce0a1e"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ga335a8c9df66319e88a1a529047ce0a1e">&#9670;&#160;</a></span>ip_addr_t</h2>

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           <td class="memname">typedef struct <a class="el" href="structip__addr.html">ip_addr</a> <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a></td>
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 <p>A union struct for both IP version's addresses. ATTENTION: watch out for its size when adding IPv6 address scope! </p>

 </div>
 </div>
 <h2 class="groupheader">Enumeration Type Documentation</h2>
 <a id="gaf2142f0dfdcc938e2db16aa745ed585c" name="gaf2142f0dfdcc938e2db16aa745ed585c"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#gaf2142f0dfdcc938e2db16aa745ed585c">&#9670;&#160;</a></span>lwip_ip_addr_type</h2>

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 <div class="memproto">
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           <td class="memname">enum <a class="el" href="#gaf2142f0dfdcc938e2db16aa745ed585c">lwip_ip_addr_type</a></td>
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 <p>IP address types for use in <a class="el" href="structip__addr.html#a66eaa8e9051e7102bf9f0c195fbe555a">ip_addr_t.type</a> member. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="group__tcp__raw.html#ga89f6955b7248c76a073cd1be461aeb5b">tcp_new_ip_type()</a>, <a class="el" href="group__udp__raw.html#gaa426f09a4212893cf3308d9eeec0399a">udp_new_ip_type()</a>, <a class="el" href="group__raw__raw.html#ga89697a092b3d72079f872a029e220eba">raw_new_ip_type()</a>. </dd></dl>
 <table class="fieldtable">
 <tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049" name="ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049"></a>IPADDR_TYPE_V4&#160;</td><td class="fielddoc"><p>IPv4 </p>
 </td></tr>
 <tr><td class="fieldname"><a id="ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02" name="ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02"></a>IPADDR_TYPE_V6&#160;</td><td class="fielddoc"><p>IPv6 </p>
 </td></tr>
 <tr><td class="fieldname"><a id="ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e" name="ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e"></a>IPADDR_TYPE_ANY&#160;</td><td class="fielddoc"><p>IPv4+IPv6 ("dual-stack") </p>
 </td></tr>
 </table>

 </div>
 </div>
 <h2 class="groupheader">Function Documentation</h2>
 <a id="ga4de70fdd7fd36c5b6eaed8b855d5f151" name="ga4de70fdd7fd36c5b6eaed8b855d5f151"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ga4de70fdd7fd36c5b6eaed8b855d5f151">&#9670;&#160;</a></span>ipaddr_aton()</h2>

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           <td class="memname">int ipaddr_aton </td>
           <td>(</td>
           <td class="paramtype">const char *</td>          <td class="paramname"><span class="paramname"><em>cp</em></span>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype"><a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *</td>          <td class="paramname"><span class="paramname"><em>addr</em></span>&#160;)</td>
         </tr>
       </table>
 </div><div class="memdoc">
 <p>Convert IP address string (both versions) to numeric. The version is auto-detected from the string.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramname">cp</td><td>IP address string to convert </td></tr>
     <tr><td class="paramname">addr</td><td>conversion result is stored here </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd>1 on success, 0 on error </dd></dl>

 </div>
 </div>
 <a id="gaac2dcc0e35eb5cf6df9c47ba3c3cdeef" name="gaac2dcc0e35eb5cf6df9c47ba3c3cdeef"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#gaac2dcc0e35eb5cf6df9c47ba3c3cdeef">&#9670;&#160;</a></span>ipaddr_ntoa()</h2>

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 <div class="memproto">
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           <td class="memname">char * ipaddr_ntoa </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *</td>          <td class="paramname"><span class="paramname"><em>addr</em></span></td><td>)</td>
           <td></td>
         </tr>
       </table>
 </div><div class="memdoc">
 <p>Convert numeric IP address (both versions) into ASCII representation. returns ptr to static buffer; not reentrant!</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramname">addr</td><td>ip address in network order to convert </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd>pointer to a global static (!) buffer that holds the ASCII representation of addr </dd></dl>

 </div>
 </div>
 <a id="ga1c8c13cc2feeb04ccf7ab1d592c47b04" name="ga1c8c13cc2feeb04ccf7ab1d592c47b04"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ga1c8c13cc2feeb04ccf7ab1d592c47b04">&#9670;&#160;</a></span>ipaddr_ntoa_r()</h2>

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           <td class="memname">char * ipaddr_ntoa_r </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *</td>          <td class="paramname"><span class="paramname"><em>addr</em></span>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">char *</td>          <td class="paramname"><span class="paramname"><em>buf</em></span>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">int</td>          <td class="paramname"><span class="paramname"><em>buflen</em></span>&#160;)</td>
         </tr>
       </table>
 </div><div class="memdoc">
 <p>Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramname">addr</td><td>ip address in network order to convert </td></tr>
     <tr><td class="paramname">buf</td><td>target buffer where the string is stored </td></tr>
     <tr><td class="paramname">buflen</td><td>length of buf </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd>either pointer to buf which now holds the ASCII representation of addr or NULL if buf was too small </dd></dl>

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	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="groups" name="groups"></a>
	Topics</h2></td></tr>
	<tr class="memitem:"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip4addr.html">IPv4 only</a></td></tr>
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	<tr class="memitem:"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ip6addr.html">IPv6 only</a></td></tr>
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	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
	Data Structures</h2></td></tr>
	<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structip__addr.html">ip_addr</a></td></tr>
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	Typedefs</h2></td></tr>
	<tr class="memitem:ga335a8c9df66319e88a1a529047ce0a1e" id="r_ga335a8c9df66319e88a1a529047ce0a1e"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structip__addr.html">ip_addr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a></td></tr>
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	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a>
	Enumerations</h2></td></tr>
	<tr class="memitem:gaf2142f0dfdcc938e2db16aa745ed585c" id="r_gaf2142f0dfdcc938e2db16aa745ed585c"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf2142f0dfdcc938e2db16aa745ed585c">lwip_ip_addr_type</a> { <a class="el" href="#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a> = 0U
	, <a class="el" href="#ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02">IPADDR_TYPE_V6</a> = 6U
	, <a class="el" href="#ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e">IPADDR_TYPE_ANY</a> = 46U
	}</td></tr>
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	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
	Functions</h2></td></tr>
	<tr class="memitem:gaac2dcc0e35eb5cf6df9c47ba3c3cdeef" id="r_gaac2dcc0e35eb5cf6df9c47ba3c3cdeef"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaac2dcc0e35eb5cf6df9c47ba3c3cdeef">ipaddr_ntoa</a> (const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *addr)</td></tr>
	<tr class="separator:gaac2dcc0e35eb5cf6df9c47ba3c3cdeef"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:ga1c8c13cc2feeb04ccf7ab1d592c47b04" id="r_ga1c8c13cc2feeb04ccf7ab1d592c47b04"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga1c8c13cc2feeb04ccf7ab1d592c47b04">ipaddr_ntoa_r</a> (const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> addr, char buf, int buflen)</td></tr>
	<tr class="separator:ga1c8c13cc2feeb04ccf7ab1d592c47b04"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:ga4de70fdd7fd36c5b6eaed8b855d5f151" id="r_ga4de70fdd7fd36c5b6eaed8b855d5f151"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga4de70fdd7fd36c5b6eaed8b855d5f151">ipaddr_aton</a> (const char cp, <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> addr)</td></tr>
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	<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
	<h2 class="groupheader">Typedef Documentation</h2>
	<a id="ga335a8c9df66319e88a1a529047ce0a1e" name="ga335a8c9df66319e88a1a529047ce0a1e"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#ga335a8c9df66319e88a1a529047ce0a1e">◆ </a></span>ip_addr_t</h2>

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	<td class="memname">typedef struct <a class="el" href="structip__addr.html">ip_addr</a> <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a></td>
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	<p>A union struct for both IP version's addresses. ATTENTION: watch out for its size when adding IPv6 address scope! </p>

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	<h2 class="groupheader">Enumeration Type Documentation</h2>
	<a id="gaf2142f0dfdcc938e2db16aa745ed585c" name="gaf2142f0dfdcc938e2db16aa745ed585c"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#gaf2142f0dfdcc938e2db16aa745ed585c">◆ </a></span>lwip_ip_addr_type</h2>

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	<td class="memname">enum <a class="el" href="#gaf2142f0dfdcc938e2db16aa745ed585c">lwip_ip_addr_type</a></td>
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	<p>IP address types for use in <a class="el" href="structip__addr.html#a66eaa8e9051e7102bf9f0c195fbe555a">ip_addr_t.type</a> member. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="group__tcp__raw.html#ga89f6955b7248c76a073cd1be461aeb5b">tcp_new_ip_type()</a>, <a class="el" href="group__udp__raw.html#gaa426f09a4212893cf3308d9eeec0399a">udp_new_ip_type()</a>, <a class="el" href="group__raw__raw.html#ga89697a092b3d72079f872a029e220eba">raw_new_ip_type()</a>. </dd></dl>
	<table class="fieldtable">
	<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049" name="ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049"></a>IPADDR_TYPE_V4 </td><td class="fielddoc"><p>IPv4 </p>
	</td></tr>
	<tr><td class="fieldname"><a id="ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02" name="ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02"></a>IPADDR_TYPE_V6 </td><td class="fielddoc"><p>IPv6 </p>
	</td></tr>
	<tr><td class="fieldname"><a id="ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e" name="ggaf2142f0dfdcc938e2db16aa745ed585cac6b2c99cf920e08efcb55dc40e42944e"></a>IPADDR_TYPE_ANY </td><td class="fielddoc"><p>IPv4+IPv6 ("dual-stack") </p>
	</td></tr>
	</table>

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	<h2 class="groupheader">Function Documentation</h2>
	<a id="ga4de70fdd7fd36c5b6eaed8b855d5f151" name="ga4de70fdd7fd36c5b6eaed8b855d5f151"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#ga4de70fdd7fd36c5b6eaed8b855d5f151">◆ </a></span>ipaddr_aton()</h2>

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	<td class="memname">int ipaddr_aton </td>
	<td>(</td>
	<td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>cp</em></span>, </td>
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	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype"><a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *</td> <td class="paramname"><span class="paramname"><em>addr</em></span> )</td>
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	<p>Convert IP address string (both versions) to numeric. The version is auto-detected from the string.</p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramname">cp</td><td>IP address string to convert </td></tr>
	<tr><td class="paramname">addr</td><td>conversion result is stored here </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd>1 on success, 0 on error </dd></dl>

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	<a id="gaac2dcc0e35eb5cf6df9c47ba3c3cdeef" name="gaac2dcc0e35eb5cf6df9c47ba3c3cdeef"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#gaac2dcc0e35eb5cf6df9c47ba3c3cdeef">◆ </a></span>ipaddr_ntoa()</h2>

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	<td class="memname">char * ipaddr_ntoa </td>
	<td>(</td>
	<td class="paramtype">const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *</td> <td class="paramname"><span class="paramname"><em>addr</em></span></td><td>)</td>
	<td></td>
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	<p>Convert numeric IP address (both versions) into ASCII representation. returns ptr to static buffer; not reentrant!</p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramname">addr</td><td>ip address in network order to convert </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd>pointer to a global static (!) buffer that holds the ASCII representation of addr </dd></dl>

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	<a id="ga1c8c13cc2feeb04ccf7ab1d592c47b04" name="ga1c8c13cc2feeb04ccf7ab1d592c47b04"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#ga1c8c13cc2feeb04ccf7ab1d592c47b04">◆ </a></span>ipaddr_ntoa_r()</h2>

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	<td class="memname">char * ipaddr_ntoa_r </td>
	<td>(</td>
	<td class="paramtype">const <a class="el" href="#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *</td> <td class="paramname"><span class="paramname"><em>addr</em></span>, </td>
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	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype">char *</td> <td class="paramname"><span class="paramname"><em>buf</em></span>, </td>
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	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>buflen</em></span> )</td>
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	<p>Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used.</p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramname">addr</td><td>ip address in network order to convert </td></tr>
	<tr><td class="paramname">buf</td><td>target buffer where the string is stored </td></tr>
	<tr><td class="paramname">buflen</td><td>length of buf </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd>either pointer to buf which now holds the ASCII representation of addr or NULL if buf was too small </dd></dl>

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