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 173
 174   <div class="section" id="libmemcached-constants-and-defaults">
 175 <h1>libmemcached Constants and Defaults<a class="headerlink" href="#libmemcached-constants-and-defaults" title="Permalink to this headline">¶</a></h1>
 176 <div class="section" id="synopsis">
 177 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
 178 <dl class="docutils">
 179 <dt>#include &lt;libmemcached-1.0/memcached.h&gt;</dt>
 180 <dd>Compile and link with -lmemcached</dd>
 181 </dl>
 182 <dl class="macro">
 183 <dt id="c.LIBMEMCACHED_VERSION_STRING">
 184 <code class="descname">LIBMEMCACHED_VERSION_STRING</code><a class="headerlink" href="#c.LIBMEMCACHED_VERSION_STRING" title="Permalink to this definition">¶</a></dt>
 185 <dd><p>String value of libmemcached version such as &quot;1.1.4&quot;</p>
 186 </dd></dl>
 187
 188 <dl class="macro">
 189 <dt id="c.LIBMEMCACHED_VERSION_HEX">
 190 <code class="descname">LIBMEMCACHED_VERSION_HEX</code><a class="headerlink" href="#c.LIBMEMCACHED_VERSION_HEX" title="Permalink to this definition">¶</a></dt>
 191 <dd><p>Hex value of the version number, e.g. &quot;0x00048000&quot;.
 192 This can be used for comparing versions based on number.</p>
 193 </dd></dl>
 194
 195 <dl class="macro">
 196 <dt id="c.MEMCACHED_DEFAULT_PORT">
 197 <code class="descname">MEMCACHED_DEFAULT_PORT</code><a class="headerlink" href="#c.MEMCACHED_DEFAULT_PORT" title="Permalink to this definition">¶</a></dt>
 198 <dd><p>The default port used by <a class="reference internal" href="configuration.html#_CPPv49memcachedPKc6size_t" title="memcached"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">memcached()</span></code></a>.</p>
 199 </dd></dl>
 200
 201 <dl class="macro">
 202 <dt id="c.MEMCACHED_DEFAULT_TIMEOUT">
 203 <code class="descname">MEMCACHED_DEFAULT_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_DEFAULT_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 204 <dd><p>Default timeout of 5000 milliseconds.</p>
 205 </dd></dl>
 206
 207 <dl class="macro">
 208 <dt id="c.MEMCACHED_DEFAULT_CONNECT_TIMEOUT">
 209 <code class="descname">MEMCACHED_DEFAULT_CONNECT_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_DEFAULT_CONNECT_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 210 <dd><p>Default connect timeout of 4000 milliseconds.</p>
 211 </dd></dl>
 212
 213 <dl class="macro">
 214 <dt id="c.MEMCACHED_MAX_BUFFER">
 215 <code class="descname">MEMCACHED_MAX_BUFFER</code><a class="headerlink" href="#c.MEMCACHED_MAX_BUFFER" title="Permalink to this definition">¶</a></dt>
 216 <dd><p>Default size of read/write buffers (which includes the null pointer).</p>
 217 </dd></dl>
 218
 219 <dl class="macro">
 220 <dt id="c.MEMCACHED_MAX_KEY">
 221 <code class="descname">MEMCACHED_MAX_KEY</code><a class="headerlink" href="#c.MEMCACHED_MAX_KEY" title="Permalink to this definition">¶</a></dt>
 222 <dd><p>Default maximum size of a key (which includes the null pointer). Master keys
 223 have no limit, this only applies to keys used for storage.</p>
 224 </dd></dl>
 225
 226 <dl class="macro">
 227 <dt id="c.MEMCACHED_MAX_NAMESPACE">
 228 <code class="descname">MEMCACHED_MAX_NAMESPACE</code><a class="headerlink" href="#c.MEMCACHED_MAX_NAMESPACE" title="Permalink to this definition">¶</a></dt>
 229 <dd><p>Maximum length allowed for namespacing of a key. Defaults to 128.</p>
 230 </dd></dl>
 231
 232 <dl class="macro">
 233 <dt id="c.MEMCACHED_MAX_HOST_LENGTH">
 234 <code class="descname">MEMCACHED_MAX_HOST_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_MAX_HOST_LENGTH" title="Permalink to this definition">¶</a></dt>
 235 <dd><p>Maximum allowed length of the hostname.</p>
 236 </dd></dl>
 237
 238 <dl class="macro">
 239 <dt id="c.MEMCACHED_MAX_HOST_SORT_LENGTH">
 240 <code class="descname">MEMCACHED_MAX_HOST_SORT_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_MAX_HOST_SORT_LENGTH" title="Permalink to this definition">¶</a></dt>
 241 <dd><p>Length of the host string used for sorting. Used for Ketama.</p>
 242 </dd></dl>
 243
 244 <dl class="macro">
 245 <dt id="c.MEMCACHED_MAX_INTEGER_DISPLAY_LENGTH">
 246 <code class="descname">MEMCACHED_MAX_INTEGER_DISPLAY_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_MAX_INTEGER_DISPLAY_LENGTH" title="Permalink to this definition">¶</a></dt>
 247 <dd><p>Maximum display width of an integer represented as string.</p>
 248 </dd></dl>
 249
 250 <dl class="macro">
 251 <dt id="c.MEMCACHED_CONTINUUM_ADDITION">
 252 <code class="descname">MEMCACHED_CONTINUUM_ADDITION</code><a class="headerlink" href="#c.MEMCACHED_CONTINUUM_ADDITION" title="Permalink to this definition">¶</a></dt>
 253 <dd><p>How many extra slots we should build for in the continuum, defaults to 10.</p>
 254 </dd></dl>
 255
 256 <dl class="macro">
 257 <dt id="c.MEMCACHED_EXPIRATION_NOT_ADD">
 258 <code class="descname">MEMCACHED_EXPIRATION_NOT_ADD</code><a class="headerlink" href="#c.MEMCACHED_EXPIRATION_NOT_ADD" title="Permalink to this definition">¶</a></dt>
 259 <dd><p>Value <code class="docutils literal notranslate"><span class="pre">0xffffffffU</span></code></p>
 260 </dd></dl>
 261
 262 <dl class="macro">
 263 <dt id="c.MEMCACHED_STRIDE">
 264 <code class="descname">MEMCACHED_STRIDE</code><a class="headerlink" href="#c.MEMCACHED_STRIDE" title="Permalink to this definition">¶</a></dt>
 265 <dd><p>This is the &quot;stride&quot; used in the consistent hash used between replicas.</p>
 266 </dd></dl>
 267
 268 <dl class="macro">
 269 <dt id="c.MEMCACHED_SERVER_FAILURE_LIMIT">
 270 <code class="descname">MEMCACHED_SERVER_FAILURE_LIMIT</code><a class="headerlink" href="#c.MEMCACHED_SERVER_FAILURE_LIMIT" title="Permalink to this definition">¶</a></dt>
 271 <dd><p>Value 5</p>
 272 </dd></dl>
 273
 274 <dl class="macro">
 275 <dt id="c.MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT">
 276 <code class="descname">MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 277 <dd><p>Value 2</p>
 278 </dd></dl>
 279
 280 <dl class="macro">
 281 <dt id="c.MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT">
 282 <code class="descname">MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 283 <dd><p>Value 0</p>
 284 </dd></dl>
 285
 286 <dl class="macro">
 287 <dt id="c.MEMCACHED_VERSION_STRING_LENGTH">
 288 <code class="descname">MEMCACHED_VERSION_STRING_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_VERSION_STRING_LENGTH" title="Permalink to this definition">¶</a></dt>
 289 <dd><p>Value 24</p>
 290 </dd></dl>
 291
 292 </div>
 293 <div class="section" id="description">
 294 <h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
 295 <p>These compile time defaults are provided by <code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">libmemcached</span></code> for convenience.</p>
 296 </div>
 297 </div>
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