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pigweed / third_party / github / STMicroelectronics / stm32_mw_lwip / f0d19c3a6e7420248775b5163b8dbf1fc2371331 / . / doc / doxygen / output / html / ip6__addr_8h.html
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&#160;<span id="projectnumber">2.1.2</span>
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<div id="projectbrief">Lightweight IP stack</div>
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<a href="#nested-classes">Data Structures</a> &#124;
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<div class="title">ip6_addr.h File Reference</div> </div>
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<div class="textblock"><code>#include &quot;<a class="el" href="opt_8h.html">lwip/opt.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="def_8h.html">def.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ip6__zone_8h.html">lwip/ip6_zone.h</a>&quot;</code><br />
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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="structip6__addr.html">ip6_addr</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a1d78feeb50aec8f2c07d840829f49ddd"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a1d78feeb50aec8f2c07d840829f49ddd">IP6_ADDR_PART</a>(ip6addr, index, a, b, c, d)&#160;&#160;&#160;(ip6addr)-&gt;addr[index] = PP_HTONL(<a class="el" href="def_8h.html#acf56d3da92a0a7a8a62a617e793e948c">LWIP_MAKEU32</a>(a,b,c,d))</td></tr>
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<tr class="memitem:a30c92254d6abe631de6a5accfd491bc3"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a30c92254d6abe631de6a5accfd491bc3">IP6_ADDR</a>(ip6addr, idx0, idx1, idx2, idx3)</td></tr>
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<tr class="memitem:ae258ebfa66d18c8c428bf3d8fd0f969c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#ae258ebfa66d18c8c428bf3d8fd0f969c">IP6_ADDR_BLOCK1</a>(ip6addr)&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[0]) &gt;&gt; 16) &amp; 0xffff))</td></tr>
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<tr class="memitem:a9193137423b6b936d25c2e6cf33b4921"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a9193137423b6b936d25c2e6cf33b4921">IP6_ADDR_BLOCK2</a>(ip6addr)&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[0])) &amp; 0xffff))</td></tr>
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<tr class="memitem:a6466b1c0edd03d6a5986dcc79f7d8bb6"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a6466b1c0edd03d6a5986dcc79f7d8bb6">IP6_ADDR_BLOCK3</a>(ip6addr)&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[1]) &gt;&gt; 16) &amp; 0xffff))</td></tr>
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<tr class="memitem:a2a5d7de341ce708b7145ad4d72652c71"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a2a5d7de341ce708b7145ad4d72652c71">IP6_ADDR_BLOCK4</a>(ip6addr)&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[1])) &amp; 0xffff))</td></tr>
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<tr class="memitem:a56a11cfaa169389c319f8bd027ac524c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a56a11cfaa169389c319f8bd027ac524c">IP6_ADDR_BLOCK5</a>(ip6addr)&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[2]) &gt;&gt; 16) &amp; 0xffff))</td></tr>
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<tr class="memitem:a116d7c5c8bf8531b27f8a9fa98e728c3"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a116d7c5c8bf8531b27f8a9fa98e728c3">IP6_ADDR_BLOCK6</a>(ip6addr)&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[2])) &amp; 0xffff))</td></tr>
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<tr class="memitem:af3d1f9876bf256ec964bd3809d7ed1b4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#af3d1f9876bf256ec964bd3809d7ed1b4">IP6_ADDR_BLOCK8</a>(ip6addr)&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[3])) &amp; 0xffff))</td></tr>
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<tr class="memitem:aa7b4ba4202b5f64dee605fe159e9c3ad"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#aa7b4ba4202b5f64dee605fe159e9c3ad">ip6_addr_set</a>(dest, src)</td></tr>
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<tr class="memitem:ae2d1ce50ec6dbee890e2f8ae64abdf6b"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#ae2d1ce50ec6dbee890e2f8ae64abdf6b">ip6_addr_set_any</a>(ip6addr)&#160;&#160;&#160;<a class="el" href="ip6__addr_8h.html#af696d3b81f4cb9c40ece912de73ed53c">ip6_addr_set_zero</a>(ip6addr)</td></tr>
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<tr class="memitem:a02f5271e922f34a09153ce84839ad292"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a02f5271e922f34a09153ce84839ad292">ip6_addr_set_loopback</a>(ip6addr)</td></tr>
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<tr class="memitem:ad636c27d56d1b3deca9f780bc173d3c2"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#ad636c27d56d1b3deca9f780bc173d3c2">ip6_addr_set_hton</a>(dest, src)</td></tr>
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<tr class="memitem:acc1622ab895680da0a3b6e5e56070342"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#acc1622ab895680da0a3b6e5e56070342">ip6_addr_netcmp_zoneless</a>(addr1, addr2)</td></tr>
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<tr class="memitem:ad0fc088972d395839a7ad75d3dab8322"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#ad0fc088972d395839a7ad75d3dab8322">ip6_addr_cmp_zoneless</a>(addr1, addr2)</td></tr>
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<tr class="memitem:a11fe84789e3f039b3f71009e802946a8"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a11fe84789e3f039b3f71009e802946a8">ip6_addr_cmp_packed</a>(ip6addr, paddr, zone_idx)</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:aaca9e796e93a355294c4954c08d01762"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structip6__addr.html">ip6_addr</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a3f555ae302eb056f28f6cb266a27036e"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a3f555ae302eb056f28f6cb266a27036e">ip6addr_aton</a> (const char *cp, <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *addr)</td></tr>
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<tr class="memitem:adba4443e6629583d48e1d1c7c21a977e"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#adba4443e6629583d48e1d1c7c21a977e">ip6addr_ntoa</a> (const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *addr)</td></tr>
<tr class="separator:adba4443e6629583d48e1d1c7c21a977e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a64d442f35f34c43121bf91cfea2e77a2"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ip6__addr_8h.html#a64d442f35f34c43121bf91cfea2e77a2">ip6addr_ntoa_r</a> (const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *addr, char *buf, int buflen)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>IPv6 addresses. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a30c92254d6abe631de6a5accfd491bc3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a30c92254d6abe631de6a5accfd491bc3">&#9670;&nbsp;</a></span>IP6_ADDR</h2>
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<td class="memname">#define IP6_ADDR</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">idx0, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">idx1, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">idx2, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">idx3&#160;</td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div><div class="line"> (ip6addr)-&gt;addr[0] = idx0; \</div><div class="line"> (ip6addr)-&gt;addr[1] = idx1; \</div><div class="line"> (ip6addr)-&gt;addr[2] = idx2; \</div><div class="line"> (ip6addr)-&gt;addr[3] = idx3; \</div><div class="line"> ip6_addr_clear_zone(ip6addr); } <span class="keywordflow">while</span>(0)</div></div><!-- fragment --><p>Set a full IPv6 address by passing the 4 u32_t indices in network byte order (use PP_HTONL() for constants) </p>
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<a id="ae258ebfa66d18c8c428bf3d8fd0f969c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae258ebfa66d18c8c428bf3d8fd0f969c">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK1</h2>
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<td class="memname">#define IP6_ADDR_BLOCK1</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[0]) &gt;&gt; 16) &amp; 0xffff))</td>
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</div><div class="memdoc">
<p>Access address in 16-bit block </p>
</div>
</div>
<a id="a9193137423b6b936d25c2e6cf33b4921"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9193137423b6b936d25c2e6cf33b4921">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK2</h2>
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<td class="memname">#define IP6_ADDR_BLOCK2</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[0])) &amp; 0xffff))</td>
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</div><div class="memdoc">
<p>Access address in 16-bit block </p>
</div>
</div>
<a id="a6466b1c0edd03d6a5986dcc79f7d8bb6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6466b1c0edd03d6a5986dcc79f7d8bb6">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK3</h2>
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<td class="memname">#define IP6_ADDR_BLOCK3</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[1]) &gt;&gt; 16) &amp; 0xffff))</td>
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<p>Access address in 16-bit block </p>
</div>
</div>
<a id="a2a5d7de341ce708b7145ad4d72652c71"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2a5d7de341ce708b7145ad4d72652c71">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK4</h2>
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<td class="memname">#define IP6_ADDR_BLOCK4</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[1])) &amp; 0xffff))</td>
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<p>Access address in 16-bit block </p>
</div>
</div>
<a id="a56a11cfaa169389c319f8bd027ac524c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a56a11cfaa169389c319f8bd027ac524c">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK5</h2>
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<td class="memname">#define IP6_ADDR_BLOCK5</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[2]) &gt;&gt; 16) &amp; 0xffff))</td>
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<p>Access address in 16-bit block </p>
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<a id="a116d7c5c8bf8531b27f8a9fa98e728c3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a116d7c5c8bf8531b27f8a9fa98e728c3">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK6</h2>
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<td class="memname">#define IP6_ADDR_BLOCK6</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[2])) &amp; 0xffff))</td>
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</div><div class="memdoc">
<p>Access address in 16-bit block </p>
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<a id="ab87bee320ecc0e923931ee6f49802deb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab87bee320ecc0e923931ee6f49802deb">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK7</h2>
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<td class="memname">#define IP6_ADDR_BLOCK7</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[3]) &gt;&gt; 16) &amp; 0xffff))</td>
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</div><div class="memdoc">
<p>Access address in 16-bit block </p>
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<a id="af3d1f9876bf256ec964bd3809d7ed1b4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af3d1f9876bf256ec964bd3809d7ed1b4">&#9670;&nbsp;</a></span>IP6_ADDR_BLOCK8</h2>
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<td class="memname">#define IP6_ADDR_BLOCK8</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;((u16_t)((<a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>((ip6addr)-&gt;addr[3])) &amp; 0xffff))</td>
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<p>Access address in 16-bit block </p>
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<a id="aea8d4c4134abff1c76bc997a91163fe1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aea8d4c4134abff1c76bc997a91163fe1">&#9670;&nbsp;</a></span>ip6_addr_cmp</h2>
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<td class="memname">#define ip6_addr_cmp</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr1, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr2&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="ip6__addr_8h.html#ad0fc088972d395839a7ad75d3dab8322">ip6_addr_cmp_zoneless</a>((addr1), (addr2)) &amp;&amp; \</div><div class="line"> ip6_addr_cmp_zone((addr1), (addr2)))</div><div class="ttc" id="ip6__addr_8h_html_ad0fc088972d395839a7ad75d3dab8322"><div class="ttname"><a href="ip6__addr_8h.html#ad0fc088972d395839a7ad75d3dab8322">ip6_addr_cmp_zoneless</a></div><div class="ttdeci">#define ip6_addr_cmp_zoneless(addr1, addr2)</div><div class="ttdef"><b>Definition:</b> ip6_addr.h:168</div></div>
</div><!-- fragment --><p>Determine if two IPv6 addresses are the same. In particular, the address part of both must be the same, and the zone must be compatible.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">addr1</td><td>IPv6 address 1 </td></tr>
<tr><td class="paramname">addr2</td><td>IPv6 address 2 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if the addresses are considered equal, 0 if not </dd></dl>
</div>
</div>
<a id="a11fe84789e3f039b3f71009e802946a8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a11fe84789e3f039b3f71009e802946a8">&#9670;&nbsp;</a></span>ip6_addr_cmp_packed</h2>
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<td class="memname">#define ip6_addr_cmp_packed</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">paddr, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">zone_idx&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<b>Value:</b><div class="fragment"><div class="line">(((ip6addr)-&gt;addr[0] == (paddr)-&gt;addr[0]) &amp;&amp; \</div><div class="line"> ((ip6addr)-&gt;addr[1] == (paddr)-&gt;addr[1]) &amp;&amp; \</div><div class="line"> ((ip6addr)-&gt;addr[2] == (paddr)-&gt;addr[2]) &amp;&amp; \</div><div class="line"> ((ip6addr)-&gt;addr[3] == (paddr)-&gt;addr[3]) &amp;&amp; \</div><div class="line"> ip6_addr_equals_zone((ip6addr), (zone_idx)))</div></div><!-- fragment --><p>Compare IPv6 address to packed address and zone </p>
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<a id="ad0fc088972d395839a7ad75d3dab8322"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad0fc088972d395839a7ad75d3dab8322">&#9670;&nbsp;</a></span>ip6_addr_cmp_zoneless</h2>
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<td class="memname">#define ip6_addr_cmp_zoneless</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr1, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr2&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<b>Value:</b><div class="fragment"><div class="line">(((addr1)-&gt;addr[0] == (addr2)-&gt;addr[0]) &amp;&amp; \</div><div class="line"> ((addr1)-&gt;addr[1] == (addr2)-&gt;addr[1]) &amp;&amp; \</div><div class="line"> ((addr1)-&gt;addr[2] == (addr2)-&gt;addr[2]) &amp;&amp; \</div><div class="line"> ((addr1)-&gt;addr[3] == (addr2)-&gt;addr[3]))</div></div><!-- fragment --><p>Compare IPv6 addresses, ignoring zone information. To be used sparingly! </p>
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<a id="a7b17e85a46bd8368ce27fc644e058073"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7b17e85a46bd8368ce27fc644e058073">&#9670;&nbsp;</a></span>ip6_addr_copy</h2>
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<td class="memname">#define ip6_addr_copy</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">dest, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">src&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{(dest).addr[0] = (src).addr[0]; \</div><div class="line"> (dest).addr[1] = (src).addr[1]; \</div><div class="line"> (dest).addr[2] = (src).addr[2]; \</div><div class="line"> (dest).addr[3] = (src).addr[3]; \</div><div class="line"> ip6_addr_copy_zone((dest), (src)); }<span class="keywordflow">while</span>(0)</div></div><!-- fragment --><p>Copy IPv6 address - faster than ip6_addr_set: no NULL check </p>
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<a id="a05575d46c233ffb13fb03a3a2c8a16b3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a05575d46c233ffb13fb03a3a2c8a16b3">&#9670;&nbsp;</a></span>ip6_addr_copy_from_packed</h2>
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<td class="memname">#define ip6_addr_copy_from_packed</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">dest, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">src&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{(dest).addr[0] = (src).addr[0]; \</div><div class="line"> (dest).addr[1] = (src).addr[1]; \</div><div class="line"> (dest).addr[2] = (src).addr[2]; \</div><div class="line"> (dest).addr[3] = (src).addr[3]; \</div><div class="line"> ip6_addr_clear_zone(&amp;dest); }<span class="keywordflow">while</span>(0)</div></div><!-- fragment --><p>Copy packed IPv6 address to unpacked IPv6 address; zone is not set </p>
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<a id="a6c46d12fa7d36c47b629d0ccdefa114b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6c46d12fa7d36c47b629d0ccdefa114b">&#9670;&nbsp;</a></span>ip6_addr_copy_to_packed</h2>
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<td class="memname">#define ip6_addr_copy_to_packed</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">dest, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">src&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{(dest).addr[0] = (src).addr[0]; \</div><div class="line"> (dest).addr[1] = (src).addr[1]; \</div><div class="line"> (dest).addr[2] = (src).addr[2]; \</div><div class="line"> (dest).addr[3] = (src).addr[3]; }<span class="keywordflow">while</span>(0)</div></div><!-- fragment --><p>Copy unpacked IPv6 address to packed IPv6 address; zone is lost </p>
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<a id="a76b01f76b65647767d00ee9fad9fbaa2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a76b01f76b65647767d00ee9fad9fbaa2">&#9670;&nbsp;</a></span>ip6_addr_netcmp</h2>
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<td class="memname">#define ip6_addr_netcmp</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr1, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr2&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="ip6__addr_8h.html#acc1622ab895680da0a3b6e5e56070342">ip6_addr_netcmp_zoneless</a>((addr1), (addr2)) &amp;&amp; \</div><div class="line"> ip6_addr_cmp_zone((addr1), (addr2)))</div><div class="ttc" id="ip6__addr_8h_html_acc1622ab895680da0a3b6e5e56070342"><div class="ttname"><a href="ip6__addr_8h.html#acc1622ab895680da0a3b6e5e56070342">ip6_addr_netcmp_zoneless</a></div><div class="ttdeci">#define ip6_addr_netcmp_zoneless(addr1, addr2)</div><div class="ttdef"><b>Definition:</b> ip6_addr.h:150</div></div>
</div><!-- fragment --><p>Determine if two IPv6 address are on the same network.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">addr1</td><td>IPv6 address 1 </td></tr>
<tr><td class="paramname">addr2</td><td>IPv6 address 2 </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if the network identifiers of both address match, 0 if not </dd></dl>
</div>
</div>
<a id="acc1622ab895680da0a3b6e5e56070342"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acc1622ab895680da0a3b6e5e56070342">&#9670;&nbsp;</a></span>ip6_addr_netcmp_zoneless</h2>
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<td class="memname">#define ip6_addr_netcmp_zoneless</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr1, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">addr2&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<b>Value:</b><div class="fragment"><div class="line">(((addr1)-&gt;addr[0] == (addr2)-&gt;addr[0]) &amp;&amp; \</div><div class="line"> ((addr1)-&gt;addr[1] == (addr2)-&gt;addr[1]))</div></div><!-- fragment --><p>Compare IPv6 networks, ignoring zone information. To be used sparingly! </p>
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<a id="a1d78feeb50aec8f2c07d840829f49ddd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1d78feeb50aec8f2c07d840829f49ddd">&#9670;&nbsp;</a></span>IP6_ADDR_PART</h2>
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<td class="memname">#define IP6_ADDR_PART</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">index, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">a, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">b, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">c, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">d&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;(ip6addr)-&gt;addr[index] = PP_HTONL(<a class="el" href="def_8h.html#acf56d3da92a0a7a8a62a617e793e948c">LWIP_MAKEU32</a>(a,b,c,d))</td>
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</table>
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<p>Set an IPv6 partial address given by byte-parts </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa7b4ba4202b5f64dee605fe159e9c3ad">&#9670;&nbsp;</a></span>ip6_addr_set</h2>
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<td class="memname">#define ip6_addr_set</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">dest, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">src&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{(dest)-&gt;addr[0] = (src) == NULL ? 0 : (src)-&gt;addr[0]; \</div><div class="line"> (dest)-&gt;addr[1] = (src) == NULL ? 0 : (src)-&gt;addr[1]; \</div><div class="line"> (dest)-&gt;addr[2] = (src) == NULL ? 0 : (src)-&gt;addr[2]; \</div><div class="line"> (dest)-&gt;addr[3] = (src) == NULL ? 0 : (src)-&gt;addr[3]; \</div><div class="line"> ip6_addr_set_zone((dest), (src) == NULL ? <a class="code" href="group__ip6__zones.html#ga2049167d1715b9a9cf2730e122c0d4fb">IP6_NO_ZONE</a> : <a class="code" href="group__ip6__zones.html#gaee83e12649fa9706857c9ad8f9ef8634">ip6_addr_zone</a>(src)); }<span class="keywordflow">while</span>(0)</div><div class="ttc" id="group__ip6__zones_html_ga2049167d1715b9a9cf2730e122c0d4fb"><div class="ttname"><a href="group__ip6__zones.html#ga2049167d1715b9a9cf2730e122c0d4fb">IP6_NO_ZONE</a></div><div class="ttdeci">#define IP6_NO_ZONE</div><div class="ttdef"><b>Definition:</b> ip6_zone.h:101</div></div>
<div class="ttc" id="group__ip6__zones_html_gaee83e12649fa9706857c9ad8f9ef8634"><div class="ttname"><a href="group__ip6__zones.html#gaee83e12649fa9706857c9ad8f9ef8634">ip6_addr_zone</a></div><div class="ttdeci">#define ip6_addr_zone(ip6addr)</div><div class="ttdef"><b>Definition:</b> ip6_zone.h:109</div></div>
</div><!-- fragment --><p>Safely copy one IPv6 address to another (src may be NULL) </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae2d1ce50ec6dbee890e2f8ae64abdf6b">&#9670;&nbsp;</a></span>ip6_addr_set_any</h2>
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<td class="memname">#define ip6_addr_set_any</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
<td>&#160;&#160;&#160;<a class="el" href="ip6__addr_8h.html#af696d3b81f4cb9c40ece912de73ed53c">ip6_addr_set_zero</a>(ip6addr)</td>
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<p>Set address to ipv6 'any' (no need for <a class="el" href="def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl()</a>) </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad636c27d56d1b3deca9f780bc173d3c2">&#9670;&nbsp;</a></span>ip6_addr_set_hton</h2>
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<td class="memname">#define ip6_addr_set_hton</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">dest, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">src&#160;</td>
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<td></td>
<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{(dest)-&gt;addr[0] = (src) == NULL ? 0 : <a class="code" href="def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl</a>((src)-&gt;addr[0]); \</div><div class="line"> (dest)-&gt;addr[1] = (src) == NULL ? 0 : <a class="code" href="def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl</a>((src)-&gt;addr[1]); \</div><div class="line"> (dest)-&gt;addr[2] = (src) == NULL ? 0 : <a class="code" href="def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl</a>((src)-&gt;addr[2]); \</div><div class="line"> (dest)-&gt;addr[3] = (src) == NULL ? 0 : <a class="code" href="def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl</a>((src)-&gt;addr[3]); \</div><div class="line"> ip6_addr_set_zone((dest), (src) == NULL ? <a class="code" href="group__ip6__zones.html#ga2049167d1715b9a9cf2730e122c0d4fb">IP6_NO_ZONE</a> : <a class="code" href="group__ip6__zones.html#gaee83e12649fa9706857c9ad8f9ef8634">ip6_addr_zone</a>(src));}<span class="keywordflow">while</span>(0)</div><div class="ttc" id="def_8c_html_a14f94347a5b9b9e3602705b75b7ae524"><div class="ttname"><a href="def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl</a></div><div class="ttdeci">u32_t lwip_htonl(u32_t n)</div><div class="ttdef"><b>Definition:</b> def.c:90</div></div>
<div class="ttc" id="group__ip6__zones_html_ga2049167d1715b9a9cf2730e122c0d4fb"><div class="ttname"><a href="group__ip6__zones.html#ga2049167d1715b9a9cf2730e122c0d4fb">IP6_NO_ZONE</a></div><div class="ttdeci">#define IP6_NO_ZONE</div><div class="ttdef"><b>Definition:</b> ip6_zone.h:101</div></div>
<div class="ttc" id="group__ip6__zones_html_gaee83e12649fa9706857c9ad8f9ef8634"><div class="ttname"><a href="group__ip6__zones.html#gaee83e12649fa9706857c9ad8f9ef8634">ip6_addr_zone</a></div><div class="ttdeci">#define ip6_addr_zone(ip6addr)</div><div class="ttdef"><b>Definition:</b> ip6_zone.h:109</div></div>
</div><!-- fragment --><p>Safely copy one IPv6 address to another and change byte order from host- to network-order. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a02f5271e922f34a09153ce84839ad292">&#9670;&nbsp;</a></span>ip6_addr_set_loopback</h2>
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<td class="memname">#define ip6_addr_set_loopback</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{(ip6addr)-&gt;addr[0] = 0; \</div><div class="line"> (ip6addr)-&gt;addr[1] = 0; \</div><div class="line"> (ip6addr)-&gt;addr[2] = 0; \</div><div class="line"> (ip6addr)-&gt;addr[3] = PP_HTONL(0x00000001UL); \</div><div class="line"> ip6_addr_clear_zone(ip6addr);}<span class="keywordflow">while</span>(0)</div></div><!-- fragment --><p>Set address to ipv6 loopback address </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af696d3b81f4cb9c40ece912de73ed53c">&#9670;&nbsp;</a></span>ip6_addr_set_zero</h2>
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<td class="memname">#define ip6_addr_set_zero</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">ip6addr</td><td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{(ip6addr)-&gt;addr[0] = 0; \</div><div class="line"> (ip6addr)-&gt;addr[1] = 0; \</div><div class="line"> (ip6addr)-&gt;addr[2] = 0; \</div><div class="line"> (ip6addr)-&gt;addr[3] = 0; \</div><div class="line"> ip6_addr_clear_zone(ip6addr);}<span class="keywordflow">while</span>(0)</div></div><!-- fragment --><p>Set complete address to zero </p>
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<h2 class="groupheader">Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aaca9e796e93a355294c4954c08d01762">&#9670;&nbsp;</a></span>ip6_addr_t</h2>
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<td class="memname">typedef struct <a class="el" href="structip6__addr.html">ip6_addr</a> <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a></td>
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<p>IPv6 address </p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a3f555ae302eb056f28f6cb266a27036e">&#9670;&nbsp;</a></span>ip6addr_aton()</h2>
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<td class="memname">int ip6addr_aton </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>cp</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>addr</em>&#160;</td>
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<p>Check whether "cp" is a valid ascii representation of an IPv6 address and convert to a binary address. Returns 1 if the address is valid, 0 if not.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cp</td><td>IPv6 address in ascii representation (e.g. "FF01::1") </td></tr>
<tr><td class="paramname">addr</td><td>pointer to which to save the ip address in network order </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>1 if cp could be converted to addr, 0 on failure </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#adba4443e6629583d48e1d1c7c21a977e">&#9670;&nbsp;</a></span>ip6addr_ntoa()</h2>
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<td class="memname">char* ip6addr_ntoa </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>addr</em></td><td>)</td>
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<p>returns ptr to static buffer; not reentrant!</p>
<p>Convert numeric IPv6 address 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>ip6 address in network order to convert </td></tr>
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</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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<h2 class="memtitle"><span class="permalink"><a href="#a64d442f35f34c43121bf91cfea2e77a2">&#9670;&nbsp;</a></span>ip6addr_ntoa_r()</h2>
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<td class="memname">char* ip6addr_ntoa_r </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>addr</em>, </td>
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<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>buf</em>, </td>
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<td class="paramtype">int&#160;</td>
<td class="paramname"><em>buflen</em>&#160;</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>ip6 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>
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</dd>
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<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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