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<title>Crystal Space 1.2.1: getopt_option Struct Reference (Crystal Space 1.2.1 Public API Reference)</title>
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<h1>getopt_option Struct Reference</h1><!-- doxytag: class="getopt_option" -->Describe the long-named options requested by the application.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="getopt_8h-source.html">csutil/getopt.h</a>></code>
<p>
<p>
<a href="structgetopt__option-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ae7c182735ea02add1c66d554fcf01d2"></a><!-- doxytag: member="getopt_option::flag" ref="ae7c182735ea02add1c66d554fcf01d2" args="" -->
int * </td><td class="memItemRight" valign="bottom"><a class="el" href="structgetopt__option.html#ae7c182735ea02add1c66d554fcf01d2">flag</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9bebd1453e53654a803e2fb46a2970e0"></a><!-- doxytag: member="getopt_option::has_arg" ref="9bebd1453e53654a803e2fb46a2970e0" args="" -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="structgetopt__option.html#9bebd1453e53654a803e2fb46a2970e0">has_arg</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="21232852018133c79b7987b4f5a89bcf"></a><!-- doxytag: member="getopt_option::name" ref="21232852018133c79b7987b4f5a89bcf" args="" -->
const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="structgetopt__option.html#21232852018133c79b7987b4f5a89bcf">name</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0315120b2afc2c36980c6df4659571e2"></a><!-- doxytag: member="getopt_option::val" ref="0315120b2afc2c36980c6df4659571e2" args="" -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="structgetopt__option.html#0315120b2afc2c36980c6df4659571e2">val</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Describe the long-named options requested by the application.
<p>
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector of `struct option' terminated by an element containing a name which is zero.<p>
The field `has_arg' is: <pre>
no_argument (or 0) if the option does not take an argument,
required_argument (or 1) if the option requires an argument,
optional_argument (or 2) if the option takes an optional argument.
</pre><p>
If the field `flag' is not 0, it points to a variable that is set to the value given in the field `val' when the option is found, but left unchanged if the option is not found.<p>
To have a long-named option do something other than set an `int' to a compiled-in constant, such as set a value from `optarg', set the option's `flag' field to zero and its `val' field to a nonzero value (the equivalent single-letter option character, if there is one). For long options that have a zero `flag' field, `getopt' returns the contents of the `val' field.
<p>Definition at line <a class="el" href="getopt_8h-source.html#l00096">96</a> of file <a class="el" href="getopt_8h-source.html">getopt.h</a>.</p>
<hr>The documentation for this struct was generated from the following file:<ul>
<li>csutil/<a class="el" href="getopt_8h-source.html">getopt.h</a></ul>
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