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 180
 181   <div class="section" id="libmemcached-constants-and-defaults">
 182 <h1>libmemcached Constants and Defaults<a class="headerlink" href="#libmemcached-constants-and-defaults" title="Permalink to this headline">¶</a></h1>
 183 <div class="section" id="synopsis">
 184 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
 185 <dl class="simple">
 186 <dt>#include &lt;libmemcached-1.0/memcached.h&gt;</dt><dd><p>Compile and link with -lmemcached</p>
 187 </dd>
 188 </dl>
 189 <dl class="macro">
 190 <dt id="c.LIBMEMCACHED_VERSION_STRING">
 191 <code class="sig-name descname">LIBMEMCACHED_VERSION_STRING</code><a class="headerlink" href="#c.LIBMEMCACHED_VERSION_STRING" title="Permalink to this definition">¶</a></dt>
 192 <dd><p>String value of libmemcached version such as “1.0.99”</p>
 193 </dd></dl>
 194
 195 <dl class="macro">
 196 <dt id="c.LIBMEMCACHED_VERSION_HEX">
 197 <code class="sig-name descname">LIBMEMCACHED_VERSION_HEX</code><a class="headerlink" href="#c.LIBMEMCACHED_VERSION_HEX" title="Permalink to this definition">¶</a></dt>
 198 <dd><p>Hex value of the version number. “0x00048000” This can be used for comparing
 199 versions based on number.</p>
 200 </dd></dl>
 201
 202 <dl class="macro">
 203 <dt id="c.MEMCACHED_DEFAULT_PORT">
 204 <code class="sig-name descname">MEMCACHED_DEFAULT_PORT</code><a class="headerlink" href="#c.MEMCACHED_DEFAULT_PORT" title="Permalink to this definition">¶</a></dt>
 205 <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>
 206 </dd></dl>
 207
 208 <dl class="macro">
 209 <dt id="c.MEMCACHED_DEFAULT_TIMEOUT">
 210 <code class="sig-name descname">MEMCACHED_DEFAULT_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_DEFAULT_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 211 <dd><p>Default timeout of 5000 milliseconds.</p>
 212 </dd></dl>
 213
 214 <dl class="macro">
 215 <dt id="c.MEMCACHED_DEFAULT_CONNECT_TIMEOUT">
 216 <code class="sig-name descname">MEMCACHED_DEFAULT_CONNECT_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_DEFAULT_CONNECT_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 217 <dd><p>Default connect timeout of 4000 milliseconds.</p>
 218 </dd></dl>
 219
 220 <dl class="macro">
 221 <dt id="c.MEMCACHED_MAX_BUFFER">
 222 <code class="sig-name descname">MEMCACHED_MAX_BUFFER</code><a class="headerlink" href="#c.MEMCACHED_MAX_BUFFER" title="Permalink to this definition">¶</a></dt>
 223 <dd><p>Default size of read/write buffers (which includes the null pointer).</p>
 224 </dd></dl>
 225
 226 <dl class="macro">
 227 <dt id="c.MEMCACHED_MAX_KEY">
 228 <code class="sig-name descname">MEMCACHED_MAX_KEY</code><a class="headerlink" href="#c.MEMCACHED_MAX_KEY" title="Permalink to this definition">¶</a></dt>
 229 <dd><p>Default maximum size of a key (which includes the null pointer). Master keys
 230 have no limit, this only applies to keys used for storage.</p>
 231 </dd></dl>
 232
 233 <dl class="macro">
 234 <dt id="c.MEMCACHED_MAX_NAMESPACE">
 235 <code class="sig-name descname">MEMCACHED_MAX_NAMESPACE</code><a class="headerlink" href="#c.MEMCACHED_MAX_NAMESPACE" title="Permalink to this definition">¶</a></dt>
 236 <dd><p>Maximum length allowed for namespacing of a key. Defaults to 128.</p>
 237 </dd></dl>
 238
 239 <dl class="macro">
 240 <dt id="c.MEMCACHED_MAX_HOST_LENGTH">
 241 <code class="sig-name descname">MEMCACHED_MAX_HOST_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_MAX_HOST_LENGTH" title="Permalink to this definition">¶</a></dt>
 242 <dd><p>Maximum allowed length of the hostname.</p>
 243 </dd></dl>
 244
 245 <dl class="macro">
 246 <dt id="c.MEMCACHED_MAX_HOST_SORT_LENGTH">
 247 <code class="sig-name descname">MEMCACHED_MAX_HOST_SORT_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_MAX_HOST_SORT_LENGTH" title="Permalink to this definition">¶</a></dt>
 248 <dd><p>Length of the host string used for sorting. Used for Ketama.</p>
 249 </dd></dl>
 250
 251 <dl class="macro">
 252 <dt id="c.MEMCACHED_MAX_INTEGER_DISPLAY_LENGTH">
 253 <code class="sig-name descname">MEMCACHED_MAX_INTEGER_DISPLAY_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_MAX_INTEGER_DISPLAY_LENGTH" title="Permalink to this definition">¶</a></dt>
 254 <dd><p>Maximum display width of an integer represented as string.</p>
 255 </dd></dl>
 256
 257 <dl class="macro">
 258 <dt id="c.MEMCACHED_CONTINUUM_ADDITION">
 259 <code class="sig-name descname">MEMCACHED_CONTINUUM_ADDITION</code><a class="headerlink" href="#c.MEMCACHED_CONTINUUM_ADDITION" title="Permalink to this definition">¶</a></dt>
 260 <dd><p>How many extra slots we should build for in the continuum, defaults to 10.</p>
 261 </dd></dl>
 262
 263 <dl class="macro">
 264 <dt id="c.MEMCACHED_EXPIRATION_NOT_ADD">
 265 <code class="sig-name descname">MEMCACHED_EXPIRATION_NOT_ADD</code><a class="headerlink" href="#c.MEMCACHED_EXPIRATION_NOT_ADD" title="Permalink to this definition">¶</a></dt>
 266 <dd><p>Value <code class="docutils literal notranslate"><span class="pre">0xffffffffU</span></code></p>
 267 </dd></dl>
 268
 269 <dl class="macro">
 270 <dt id="c.MEMCACHED_STRIDE">
 271 <code class="sig-name descname">MEMCACHED_STRIDE</code><a class="headerlink" href="#c.MEMCACHED_STRIDE" title="Permalink to this definition">¶</a></dt>
 272 <dd><p>This is the “stride” used in the consistent hash used between replicas.</p>
 273 </dd></dl>
 274
 275 <dl class="macro">
 276 <dt id="c.MEMCACHED_SERVER_FAILURE_LIMIT">
 277 <code class="sig-name descname">MEMCACHED_SERVER_FAILURE_LIMIT</code><a class="headerlink" href="#c.MEMCACHED_SERVER_FAILURE_LIMIT" title="Permalink to this definition">¶</a></dt>
 278 <dd><p>Value 5</p>
 279 </dd></dl>
 280
 281 <dl class="macro">
 282 <dt id="c.MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT">
 283 <code class="sig-name descname">MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_SERVER_FAILURE_RETRY_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 284 <dd><p>Value 2</p>
 285 </dd></dl>
 286
 287 <dl class="macro">
 288 <dt id="c.MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT">
 289 <code class="sig-name descname">MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT</code><a class="headerlink" href="#c.MEMCACHED_SERVER_FAILURE_DEAD_TIMEOUT" title="Permalink to this definition">¶</a></dt>
 290 <dd><p>Value 0</p>
 291 </dd></dl>
 292
 293 <dl class="macro">
 294 <dt id="c.MEMCACHED_VERSION_STRING_LENGTH">
 295 <code class="sig-name descname">MEMCACHED_VERSION_STRING_LENGTH</code><a class="headerlink" href="#c.MEMCACHED_VERSION_STRING_LENGTH" title="Permalink to this definition">¶</a></dt>
 296 <dd><p>Value 24</p>
 297 </dd></dl>
 298
 299 </div>
 300 <div class="section" id="description">
 301 <h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
 302 <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>
 303 </div>
 304 </div>
 305
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