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<refentry id="refvers">
<refmeta>
<refentrytitle>ne_version_match</refentrytitle>
<manvolnum>3</manvolnum>
</refmeta>
<refnamediv>
<refname>ne_version_match</refname>
<refname>ne_version_string</refname>
<refpurpose>library versioning</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>#include <ne_utils.h></funcsynopsisinfo>
<funcprototype>
<funcdef>int <function>ne_version_match</function></funcdef>
<paramdef>int <parameter>major</parameter></paramdef>
<paramdef>int <parameter>minor</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>const char *<function>ne_version_string</function></funcdef>
<void/>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>The <function>ne_version_match</function> function returns
non-zero if the library version is not of major version
<parameter>major</parameter>, or the minor version is less than
<parameter>minor</parameter>. For &neon; versions 0.x, every
minor version is assumed to be incompatible with every other minor
version.</para> <!-- TODO: remove that for 1.0 -->
<para>The <function>ne_version_string</function> function returns
a string giving the library version.</para>
</refsect1>
<refsect1>
<title>Examples</title>
<para>To require &neon; 1.x, version 1.2 or later:</para>
<programlisting>if (ne_version_match(1, 2)) {
printf("Library version out of date: 1.2 required, found %s.",
ne_version_string());
exit(1);
}</programlisting>
</refsect1>
</refentry>
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