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<div id="projectname">libgutenprint API Reference
 <span id="projectnumber">5.2.9</span>
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<a href="#define-members">Macros</a> |
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<a href="#var-members">Variables</a> </div>
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<div class="title">version</div> </div>
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<p>Version information.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gadd0b07630653da8e46b91c2c1bafc2b9"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#gadd0b07630653da8e46b91c2c1bafc2b9">STP_MAJOR_VERSION</a>   (5)</td></tr>
<tr class="memitem:ga87507431ad6b7504b129eafad863cb1f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga87507431ad6b7504b129eafad863cb1f">STP_MINOR_VERSION</a>   (2)</td></tr>
<tr class="memitem:gab860ee8cb0b05ea1385e01d130d7358e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#gab860ee8cb0b05ea1385e01d130d7358e">STP_MICRO_VERSION</a>   (9)</td></tr>
<tr class="memitem:ga1969d8a5a74a5c70a978f99aa68d9f4b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga1969d8a5a74a5c70a978f99aa68d9f4b">STP_CURRENT_INTERFACE</a>   (3)</td></tr>
<tr class="memitem:ga509ecd9be5329eef0f8d49e0b25f63da"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga509ecd9be5329eef0f8d49e0b25f63da">STP_BINARY_AGE</a>   (1)</td></tr>
<tr class="memitem:ga6485cd073e75e01f9df68ecd67b14372"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga6485cd073e75e01f9df68ecd67b14372">STP_INTERFACE_AGE</a>   (0)</td></tr>
<tr class="memitem:gaf20320940416f43ed7735137296fa12b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#gaf20320940416f43ed7735137296fa12b">STP_CHECK_VERSION</a>(major, minor, micro)</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:ga05a93cb4ac52cc50875b5839c59bcafc"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga05a93cb4ac52cc50875b5839c59bcafc">stp_check_version</a> (unsigned int required_major, unsigned int required_minor, unsigned int required_micro)</td></tr>
<tr class="memdesc:ga05a93cb4ac52cc50875b5839c59bcafc"><td class="mdescLeft"> </td><td class="mdescRight">Check whether the library provides the requested version. <a href="#ga05a93cb4ac52cc50875b5839c59bcafc"></a><br/></td></tr>
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Variables</h2></td></tr>
<tr class="memitem:ga4d72666d9093df7a31e7cd448b7cfd1d"><td class="memItemLeft" align="right" valign="top">const unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga4d72666d9093df7a31e7cd448b7cfd1d">stp_major_version</a></td></tr>
<tr class="memdesc:ga4d72666d9093df7a31e7cd448b7cfd1d"><td class="mdescLeft"> </td><td class="mdescRight">The library major version number. <a href="#ga4d72666d9093df7a31e7cd448b7cfd1d"></a><br/></td></tr>
<tr class="memitem:ga5efc986430f0d27f5d11236c4bc48079"><td class="memItemLeft" align="right" valign="top">const unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga5efc986430f0d27f5d11236c4bc48079">stp_minor_version</a></td></tr>
<tr class="memdesc:ga5efc986430f0d27f5d11236c4bc48079"><td class="mdescLeft"> </td><td class="mdescRight">The library minor version number. <a href="#ga5efc986430f0d27f5d11236c4bc48079"></a><br/></td></tr>
<tr class="memitem:ga2c7e65e276ce5af050b3ea9f859f1f89"><td class="memItemLeft" align="right" valign="top">const unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga2c7e65e276ce5af050b3ea9f859f1f89">stp_micro_version</a></td></tr>
<tr class="memdesc:ga2c7e65e276ce5af050b3ea9f859f1f89"><td class="mdescLeft"> </td><td class="mdescRight">The library micro version number. <a href="#ga2c7e65e276ce5af050b3ea9f859f1f89"></a><br/></td></tr>
<tr class="memitem:gafc84e89ce8d6d3302270c56ebe01d5ef"><td class="memItemLeft" align="right" valign="top">const unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#gafc84e89ce8d6d3302270c56ebe01d5ef">stp_current_interface</a></td></tr>
<tr class="memdesc:gafc84e89ce8d6d3302270c56ebe01d5ef"><td class="mdescLeft"> </td><td class="mdescRight">The library ABI revision number (number of incompatible revisions). <a href="#gafc84e89ce8d6d3302270c56ebe01d5ef"></a><br/></td></tr>
<tr class="memitem:ga44593f7714544c5886ab34521e05d0bd"><td class="memItemLeft" align="right" valign="top">const unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga44593f7714544c5886ab34521e05d0bd">stp_binary_age</a></td></tr>
<tr class="memdesc:ga44593f7714544c5886ab34521e05d0bd"><td class="mdescLeft"> </td><td class="mdescRight">The library ABI binary age number (number of forward-compatible revisions). <a href="#ga44593f7714544c5886ab34521e05d0bd"></a><br/></td></tr>
<tr class="memitem:ga1284e8ef76a4c864e85b7b698b91bf0c"><td class="memItemLeft" align="right" valign="top">const unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__version.html#ga1284e8ef76a4c864e85b7b698b91bf0c">stp_interface_age</a></td></tr>
<tr class="memdesc:ga1284e8ef76a4c864e85b7b698b91bf0c"><td class="mdescLeft"> </td><td class="mdescRight">The library ABI interface age number (number of revisions of this ABI). <a href="#ga1284e8ef76a4c864e85b7b698b91bf0c"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<p>Version information. </p>
<p>Version information may be used to check the library version at compile-time, using macros, or at run-time, using constants. </p>
<hr/><h2>Macro Definition Documentation</h2>
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<td class="memname">#define STP_BINARY_AGE   (1)</td>
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<td class="memname">#define STP_CHECK_VERSION</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">major, </td>
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<td class="paramkey"></td>
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<td class="paramtype"> </td>
<td class="paramname">minor, </td>
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<td class="paramkey"></td>
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<td class="paramtype"> </td>
<td class="paramname">micro </td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="group__version.html#gadd0b07630653da8e46b91c2c1bafc2b9">STP_MAJOR_VERSION</a> > (major) || \</div>
<div class="line"> (<a class="code" href="group__version.html#gadd0b07630653da8e46b91c2c1bafc2b9">STP_MAJOR_VERSION</a> == (major) && \</div>
<div class="line"> STP_MINOR_VERSION > (minor)) || \</div>
<div class="line"> (<a class="code" href="group__version.html#gadd0b07630653da8e46b91c2c1bafc2b9">STP_MAJOR_VERSION</a> == (major) && \</div>
<div class="line"> <a class="code" href="group__version.html#ga87507431ad6b7504b129eafad863cb1f">STP_MINOR_VERSION</a> == (minor) && \</div>
<div class="line"> STP_MICRO_VERSION >= (micro)))</div>
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<td class="memname">#define STP_CURRENT_INTERFACE   (3)</td>
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<td class="memname">#define STP_INTERFACE_AGE   (0)</td>
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<td class="memname">#define STP_MAJOR_VERSION   (5)</td>
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<td class="memname">#define STP_MICRO_VERSION   (9)</td>
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<td class="memname">#define STP_MINOR_VERSION   (2)</td>
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<hr/><h2>Function Documentation</h2>
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<td class="memname">const char* stp_check_version </td>
<td>(</td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>required_major</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>required_minor</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>required_micro</em> </td>
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<p>Check whether the library provides the requested version. </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">required_major</td><td>the minimum major revision. </td></tr>
<tr><td class="paramname">required_minor</td><td>the minimum minor revision. </td></tr>
<tr><td class="paramname">required_micro</td><td>the minimum micro revision. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns:</dt><dd>NULL if the version matches, or else a description of the error if the library is too old or too new. </dd></dl>
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<hr/><h2>Variable Documentation</h2>
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<td class="memname">const unsigned int stp_binary_age</td>
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<p>The library ABI binary age number (number of forward-compatible revisions). </p>
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<td class="memname">const unsigned int stp_current_interface</td>
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<p>The library ABI revision number (number of incompatible revisions). </p>
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<td class="memname">const unsigned int stp_interface_age</td>
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<p>The library ABI interface age number (number of revisions of this ABI). </p>
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<td class="memname">const unsigned int stp_major_version</td>
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<p>The library major version number. </p>
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<td class="memname">const unsigned int stp_micro_version</td>
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<p>The library micro version number. </p>
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<td class="memname">const unsigned int stp_minor_version</td>
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<p>The library minor version number. </p>
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