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182 <h1>Converting Error Codes to Messages
<a class=
"headerlink" href=
"#converting-error-codes-to-messages" 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=
"docutils">
186 <dt>#include
<libmemcached/memcached.h
></dt>
187 <dd>Compile and link with -lmemcached
</dd>
189 <dl class=
"function">
190 <dt id=
"_CPPv418memcached_strerrorP12memcached_st18memcached_return_t">
191 <span id=
"_CPPv318memcached_strerrorP12memcached_st18memcached_return_t"></span><span id=
"_CPPv218memcached_strerrorP12memcached_st18memcached_return_t"></span><span id=
"memcached_strerror__memcached_stP.memcached_return_t"></span><em class=
"property">const
</em> char *
<code class=
"descname">memcached_strerror
</code><span class=
"sig-paren">(
</span><a class=
"reference internal" href=
"memcached_create.html#_CPPv412memcached_st" title=
"memcached_st">memcached_st
</a> *
<em>ptr
</em>,
<a class=
"reference internal" href=
"memcached_return_t.html#_CPPv418memcached_return_t" title=
"memcached_return_t">memcached_return_t
</a> <em>rc
</em><span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv418memcached_strerrorP12memcached_st18memcached_return_t" title=
"Permalink to this definition">¶
</a><br /></dt>
192 <dd><table class=
"docutils field-list" frame=
"void" rules=
"none">
193 <col class=
"field-name" />
194 <col class=
"field-body" />
196 <tr class=
"field-odd field"><th class=
"field-name">Parameters:
</th><td class=
"field-body"><ul class=
"first simple">
197 <li><strong>ptr
</strong> -- pointer to initialized
<a class=
"reference internal" href=
"memcached_create.html#_CPPv412memcached_st" title=
"memcached_st"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_st
</span></code></a> struct
</li>
198 <li><strong>rc
</strong> --
<a class=
"reference internal" href=
"memcached_return_t.html#_CPPv418memcached_return_t" title=
"memcached_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_return_t
</span></code></a> value to query the string representation for
</li>
202 <tr class=
"field-even field"><th class=
"field-name">Returns:
</th><td class=
"field-body"><p class=
"first last">the string representation of
<a class=
"reference internal" href=
"#_CPPv418memcached_strerrorP12memcached_st18memcached_return_t" title=
"memcached_strerror::rc"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">rc
</span></code></a></p>
210 <div class=
"section" id=
"description">
211 <h2>DESCRIPTION
<a class=
"headerlink" href=
"#description" title=
"Permalink to this headline">¶
</a></h2>
212 <p><a class=
"reference internal" href=
"#_CPPv418memcached_strerrorP12memcached_st18memcached_return_t" title=
"memcached_strerror"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_strerror()
</span></code></a> takes a
<a class=
"reference internal" href=
"memcached_return_t.html#_CPPv418memcached_return_t" title=
"memcached_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_return_t
</span></code></a> value and returns a string
213 describing the error.
</p>
214 <p>This string must not be modified by the application.
</p>
215 <p><a class=
"reference internal" href=
"memcached_return_t.html#_CPPv418memcached_return_t" title=
"memcached_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_return_t
</span></code></a> values are returned from nearly all libmemcached(
3)
217 <p><a class=
"reference internal" href=
"memcached_return_t.html#_CPPv418memcached_return_t" title=
"memcached_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_return_t
</span></code></a> values are of an enum type so that you can set up responses
218 with switch/case and know that you are capturing all possible return values.
</p>
220 <div class=
"section" id=
"return-value">
221 <h2>RETURN VALUE
<a class=
"headerlink" href=
"#return-value" title=
"Permalink to this headline">¶
</a></h2>
222 <p><a class=
"reference internal" href=
"#_CPPv418memcached_strerrorP12memcached_st18memcached_return_t" title=
"memcached_strerror"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_strerror()
</span></code></a> returns a string describing a
<a class=
"reference internal" href=
"memcached_return_t.html#_CPPv418memcached_return_t" title=
"memcached_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">memcached_return_t
</span></code></a> value.
</p>
224 <div class=
"section" id=
"see-also">
225 <h2>SEE ALSO
<a class=
"headerlink" href=
"#see-also" title=
"Permalink to this headline">¶
</a></h2>
227 <li><em class=
"manpage"><a class=
"manpage reference external" href=
"https://linux.die.net/man/1/memcached">memcached(
1)
</a></em></li>
228 <li><a class=
"reference internal" href=
"../libmemcached.html"><span class=
"doc">C/C++ Client Library for memcached
</span></a></li>
229 <li><a class=
"reference internal" href=
"memcached_return_t.html"><span class=
"doc">Error Codes - memcached_return_t
</span></a></li>
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