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<p>C API: API for accessing ICU version numbers.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="umachine_8h_source.html">unicode/umachine.h</a>"</code><br/>
<code>#include "unicode/uvernum.h"</code><br/>
</div>
<p><a href="uversion_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a8855561449c5835245f330ce18b4f781"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#a8855561449c5835245f330ce18b4f781">U_COPYRIGHT_STRING_LENGTH</a>   128</td></tr>
<tr class="memdesc:a8855561449c5835245f330ce18b4f781"><td class="mdescLeft"> </td><td class="mdescRight">Maximum length of the copyright string. <a href="#a8855561449c5835245f330ce18b4f781"></a><br/></td></tr>
<tr class="memitem:acf6cc6b794656998aaaba2ab03f29baf"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#acf6cc6b794656998aaaba2ab03f29baf">U_MAX_VERSION_LENGTH</a>   4</td></tr>
<tr class="memdesc:acf6cc6b794656998aaaba2ab03f29baf"><td class="mdescLeft"> </td><td class="mdescRight">An ICU version consists of up to 4 numbers from 0..255. <a href="#acf6cc6b794656998aaaba2ab03f29baf"></a><br/></td></tr>
<tr class="memitem:a7d52298e2afe0f592cf53023d20c31e5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#a7d52298e2afe0f592cf53023d20c31e5">U_VERSION_DELIMITER</a>   '.'</td></tr>
<tr class="memdesc:a7d52298e2afe0f592cf53023d20c31e5"><td class="mdescLeft"> </td><td class="mdescRight">In a string, ICU version fields are delimited by dots. <a href="#a7d52298e2afe0f592cf53023d20c31e5"></a><br/></td></tr>
<tr class="memitem:af204c175920d1e8b82b1042447194977"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#af204c175920d1e8b82b1042447194977">U_MAX_VERSION_STRING_LENGTH</a>   20</td></tr>
<tr class="memdesc:af204c175920d1e8b82b1042447194977"><td class="mdescLeft"> </td><td class="mdescRight">The maximum length of an ICU version string. <a href="#af204c175920d1e8b82b1042447194977"></a><br/></td></tr>
<tr class="memitem:a7d9374e037299886d4192b763b4c5e8b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#a7d9374e037299886d4192b763b4c5e8b">U_NAMESPACE_BEGIN</a></td></tr>
<tr class="memdesc:a7d9374e037299886d4192b763b4c5e8b"><td class="mdescLeft"> </td><td class="mdescRight">This is used to begin a declaration of a public ICU C++ API. <a href="#a7d9374e037299886d4192b763b4c5e8b"></a><br/></td></tr>
<tr class="memitem:a3da1f00f3b02976ac53c014a3e4c0933"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#a3da1f00f3b02976ac53c014a3e4c0933">U_NAMESPACE_END</a></td></tr>
<tr class="memdesc:a3da1f00f3b02976ac53c014a3e4c0933"><td class="mdescLeft"> </td><td class="mdescRight">This is used to end a declaration of a public ICU C++ API. <a href="#a3da1f00f3b02976ac53c014a3e4c0933"></a><br/></td></tr>
<tr class="memitem:aa0c93141ff345327f966fda6c3a2366f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#aa0c93141ff345327f966fda6c3a2366f">U_NAMESPACE_USE</a></td></tr>
<tr class="memdesc:aa0c93141ff345327f966fda6c3a2366f"><td class="mdescLeft"> </td><td class="mdescRight">This is used to specify that the rest of the code uses the public ICU C++ API namespace. <a href="#aa0c93141ff345327f966fda6c3a2366f"></a><br/></td></tr>
<tr class="memitem:a398d471a6b925791d52b72d7bb700bdd"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#a398d471a6b925791d52b72d7bb700bdd">U_NAMESPACE_QUALIFIER</a></td></tr>
<tr class="memdesc:a398d471a6b925791d52b72d7bb700bdd"><td class="mdescLeft"> </td><td class="mdescRight">This is used to qualify that a function or class is part of the public ICU C++ API namespace. <a href="#a398d471a6b925791d52b72d7bb700bdd"></a><br/></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:a61caef96ba86d8e86a4031925ea44e94"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="pwin32_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> [<a class="el" href="uversion_8h.html#acf6cc6b794656998aaaba2ab03f29baf">U_MAX_VERSION_LENGTH</a>]</td></tr>
<tr class="memdesc:a61caef96ba86d8e86a4031925ea44e94"><td class="mdescLeft"> </td><td class="mdescRight">The binary form of a version on ICU APIs is an array of 4 uint8_t. <a href="#a61caef96ba86d8e86a4031925ea44e94"></a><br/></td></tr>
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<tr class="heading"><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a358c6faf63bf23f51fc5153351866c95"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#a358c6faf63bf23f51fc5153351866c95">u_versionFromString</a> (<a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> versionArray, const char *versionString)</td></tr>
<tr class="memdesc:a358c6faf63bf23f51fc5153351866c95"><td class="mdescLeft"> </td><td class="mdescRight">Parse a string with dotted-decimal version information and fill in a UVersionInfo structure with the result. <a href="#a358c6faf63bf23f51fc5153351866c95"></a><br/></td></tr>
<tr class="memitem:afd8b49a4f07e049445f8891ae0aa6add"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#afd8b49a4f07e049445f8891ae0aa6add">u_versionFromUString</a> (<a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> versionArray, const <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> *versionString)</td></tr>
<tr class="memdesc:afd8b49a4f07e049445f8891ae0aa6add"><td class="mdescLeft"> </td><td class="mdescRight">Parse a Unicode string with dotted-decimal version information and fill in a UVersionInfo structure with the result. <a href="#afd8b49a4f07e049445f8891ae0aa6add"></a><br/></td></tr>
<tr class="memitem:af5ca24a76d47d742ec5837ef96b026b7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#af5ca24a76d47d742ec5837ef96b026b7">u_versionToString</a> (<a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> versionArray, char *versionString)</td></tr>
<tr class="memdesc:af5ca24a76d47d742ec5837ef96b026b7"><td class="mdescLeft"> </td><td class="mdescRight">Write a string with dotted-decimal version information according to the input UVersionInfo. <a href="#af5ca24a76d47d742ec5837ef96b026b7"></a><br/></td></tr>
<tr class="memitem:afcdc1acb19210765c232f93da732e22e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="uversion_8h.html#afcdc1acb19210765c232f93da732e22e">u_getVersion</a> (<a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> versionArray)</td></tr>
<tr class="memdesc:afcdc1acb19210765c232f93da732e22e"><td class="mdescLeft"> </td><td class="mdescRight">Gets the ICU release version. <a href="#afcdc1acb19210765c232f93da732e22e"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>C API: API for accessing ICU version numbers. </p>
<p>Definition in file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
</div><hr/><h2>Macro Definition Documentation</h2>
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<td class="memname">#define U_COPYRIGHT_STRING_LENGTH   128</td>
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<p>Maximum length of the copyright string. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002448">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00036">36</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<td class="memname">#define U_MAX_VERSION_LENGTH   4</td>
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<p>An ICU version consists of up to 4 numbers from 0..255. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002449">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00041">41</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<td class="memname">#define U_MAX_VERSION_STRING_LENGTH   20</td>
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<p>The maximum length of an ICU version string. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002451">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00051">51</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<td class="memname">#define U_NAMESPACE_BEGIN</td>
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<p>This is used to begin a declaration of a public ICU C++ API. </p>
<p>When not compiling for C++, it does nothing. When compiling for C++, it begins an extern "C++" linkage block (to protect against cases in which an external client includes ICU header files inside an extern "C" linkage block). If the C++ compiler supports namespaces, it also begins a namespace block. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002453">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00131">131</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<td class="memname">#define U_NAMESPACE_END</td>
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<p>This is used to end a declaration of a public ICU C++ API. </p>
<p>When not compiling for C++, it does nothing. When compiling for C++, it ends the extern "C++" block begun by U_NAMESPACE_BEGIN. If the C++ compiler supports namespaces, it also ends the namespace block begun by U_NAMESPACE_BEGIN. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002454">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00132">132</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<td class="memname">#define U_NAMESPACE_QUALIFIER</td>
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<p>This is used to qualify that a function or class is part of the public ICU C++ API namespace. </p>
<p>If the compiler doesn't support namespaces, this does nothing. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002456">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00134">134</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<td class="memname">#define U_NAMESPACE_USE</td>
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<p>This is used to specify that the rest of the code uses the public ICU C++ API namespace. </p>
<p>If the compiler doesn't support namespaces, this does nothing. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002455">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00133">133</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<td class="memname">#define U_VERSION_DELIMITER   '.'</td>
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<p>In a string, ICU version fields are delimited by dots. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002450">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00046">46</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<hr/><h2>Typedef Documentation</h2>
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<td class="memname">typedef <a class="el" href="pwin32_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> UVersionInfo[<a class="el" href="uversion_8h.html#acf6cc6b794656998aaaba2ab03f29baf">U_MAX_VERSION_LENGTH</a>]</td>
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<p>The binary form of a version on ICU APIs is an array of 4 uint8_t. </p>
<p>To compare two versions, use memcmp(v1,v2,sizeof(UVersionInfo)). </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002452">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
<p>Definition at line <a class="el" href="uversion_8h_source.html#l00057">57</a> of file <a class="el" href="uversion_8h_source.html">uversion.h</a>.</p>
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<hr/><h2>Function Documentation</h2>
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<td class="memname">void u_getVersion </td>
<td>(</td>
<td class="paramtype"><a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> </td>
<td class="paramname"><em>versionArray</em></td><td>)</td>
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<p>Gets the ICU release version. </p>
<p>The version array stores the version information for ICU. For example, release "1.3.31.2" is then represented as 0x01031F02. Definition of this function lives in putil.c</p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">versionArray</td><td>the version # information, the result will be filled in </td></tr>
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</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002460">Stable:</a></b></dt><dd>ICU 2.0 </dd></dl>
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<td class="memname">void u_versionFromString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> </td>
<td class="paramname"><em>versionArray</em>, </td>
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<td class="paramtype">const char * </td>
<td class="paramname"><em>versionString</em> </td>
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<p>Parse a string with dotted-decimal version information and fill in a UVersionInfo structure with the result. </p>
<p>Definition of this function lives in putil.c</p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">versionArray</td><td>The destination structure for the version information. </td></tr>
<tr><td class="paramname">versionString</td><td>A string with dotted-decimal version information, with up to four non-negative number fields with values of up to 255 each. </td></tr>
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</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002457">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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<td class="memname">void u_versionFromUString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> </td>
<td class="paramname"><em>versionArray</em>, </td>
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<td></td>
<td class="paramtype">const <a class="el" href="umachine_8h.html#a6bb9fad572d65b305324ef288165e2ac">UChar</a> * </td>
<td class="paramname"><em>versionString</em> </td>
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<p>Parse a Unicode string with dotted-decimal version information and fill in a UVersionInfo structure with the result. </p>
<p>Definition of this function lives in putil.c</p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">versionArray</td><td>The destination structure for the version information. </td></tr>
<tr><td class="paramname">versionString</td><td>A Unicode string with dotted-decimal version information, with up to four non-negative number fields with values of up to 255 each. </td></tr>
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</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002458">Stable:</a></b></dt><dd>ICU 4.2 </dd></dl>
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<td class="memname">void u_versionToString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="uversion_8h.html#a61caef96ba86d8e86a4031925ea44e94">UVersionInfo</a> </td>
<td class="paramname"><em>versionArray</em>, </td>
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<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>versionString</em> </td>
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<p>Write a string with dotted-decimal version information according to the input UVersionInfo. </p>
<p>Definition of this function lives in putil.c</p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">versionArray</td><td>The version information to be written as a string. </td></tr>
<tr><td class="paramname">versionString</td><td>A string buffer that will be filled in with a string corresponding to the numeric version information in versionArray. The buffer size must be at least U_MAX_VERSION_STRING_LENGTH. </td></tr>
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</dd>
</dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable002459">Stable:</a></b></dt><dd>ICU 2.4 </dd></dl>
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