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<refentry id="reffeat">
<refmeta>
<refentrytitle>ne_has_support</refentrytitle>
<manvolnum>3</manvolnum>
</refmeta>
<refnamediv>
<refname id="ne_has_support">ne_has_support</refname>
<refpurpose>determine feature support status</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>#include <ne_utils.h></funcsynopsisinfo>
<funcprototype>
<funcdef>int <function>ne_has_support</function></funcdef>
<paramdef>int <parameter>feature</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>The <function>ne_has_support</function> function can be used
to determine whether a particular optional feature, given by the
feature code <parameter>feature</parameter>, is supported. The
following feature codes are available:
<variablelist>
<varlistentry>
<term><constant>NE_FEATURE_SSL</constant></term>
<listitem>
<simpara>Indicates support for SSL/TLS</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>NE_FEATURE_ZLIB</constant></term>
<listitem>
<simpara>Indicates support for compressed responses</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>NE_FEATURE_IPV6</constant></term>
<listitem>
<simpara>Indicates support for IPv6</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>NE_FEATURE_LFS</constant></term>
<listitem>
<simpara>Indicates support for large files</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>NE_FEATURE_SOCKS</constant></term>
<listitem>
<simpara>Indicates support for SOCKSv5</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>NE_FEATURE_TS_SSL</constant></term>
<listitem>
<simpara>Indicates support for thread-safe SSL
initialization — see <xref linkend="ne_sock_init"/></simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>NE_FEATURE_GSSAPI</constant></term>
<listitem>
<simpara>Indicates support for Negotiate authentication via GSSAPI</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>NE_FEATURE_LIBPXY</constant></term>
<listitem>
<simpara>Indicates support for libproxy (in <xref linkend="ne_session_system_proxy"/>)</simpara>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1>
<title>Return value</title>
<para><function>ne_has_support</function> returns non-zero if
the given feature is supported, or zero otherwise.</para>
</refsect1>
<refsect1>
<title>History</title>
<para>The <constant>NE_FEATURE_GSSAPI</constant> and
<constant>NE_FEATURE_LIBPXY</constant> constants are only
available in &neon; 0.34.0 and later.</para>
</refsect1>
<refsect1>
<title>See also</title>
<para><xref linkend="refvers"/>, <xref linkend="refsockinit"/></para>
</refsect1>
</refentry>
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