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<h1>Command Argument Parsing<br>
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[<a class="el" href="group__APR.html">Apache Portability Runtime library</a>]</small>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__getopt__t.html">apr_getopt_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a></td></tr>
<tr><td colspan="2"><br><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef void( </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__getopt.html#ga0">apr_getopt_err_fn_t</a> )(void *arg, const char *err,...)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__getopt.html#ga1">apr_getopt_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__getopt.html#ga2">apr_getopt_option_t</a></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__getopt.html#ga3">apr_getopt_init</a> (<a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> **os, <a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *cont, int argc, const char *const *argv)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__getopt.html#ga4">apr_getopt</a> (<a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> *os, const char *opts, char *option_ch, const char **option_arg)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__getopt.html#ga5">apr_getopt_long</a> (<a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> *os, const <a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> *opts, int *option_ch, const char **option_arg)</td></tr>
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<hr><h2>Typedef Documentation</h2>
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<td class="md" nowrap valign="top">typedef void( <a class="el" href="group__apr__getopt.html#ga0">apr_getopt_err_fn_t</a>)(void *arg, const char *err,...) </td>
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defintion of a error function </td>
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<td class="md" nowrap valign="top">typedef struct <a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> <a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> </td>
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> </dd></dl>
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<td class="md" nowrap valign="top">typedef struct <a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> <a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> </td>
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> </dd></dl>
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<hr><h2>Function Documentation</h2>
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<td class="md" nowrap valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_getopt </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> * </td>
<td class="mdname" nowrap> <em>os</em>, </td>
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<td class="md" nowrap>const char * </td>
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<td class="md" nowrap>char * </td>
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<td class="md" nowrap>const char ** </td>
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Parse the options initialized by <a class="el" href="group__apr__getopt.html#ga3">apr_getopt_init()</a>. <dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>os</em> </td><td>The apr_opt_t structure returned by <a class="el" href="group__apr__getopt.html#ga3">apr_getopt_init()</a> </td></tr>
<tr><td valign="top"></td><td valign="top"><em>opts</em> </td><td>A string of characters that are acceptable options to the program. Characters followed by ":" are required to have an option associated </td></tr>
<tr><td valign="top"></td><td valign="top"><em>option_ch</em> </td><td>The next option character parsed </td></tr>
<tr><td valign="top"></td><td valign="top"><em>option_arg</em> </td><td>The argument following the option character: </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>There are four potential status values on exit. They are: <pre>
APR_EOF -- No more options to parse
APR_BADCH -- Found a bad option character
APR_BADARG -- No argument followed the option flag
APR_SUCCESS -- The next option was found.
</pre> </dd></dl>
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<td class="md" nowrap valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_getopt_init </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> ** </td>
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<td class="md" nowrap><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> * </td>
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<td class="md" nowrap>int </td>
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Initialize the arguments for parsing by <a class="el" href="group__apr__getopt.html#ga4">apr_getopt()</a>. <dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>os</em> </td><td>The options structure created for <a class="el" href="group__apr__getopt.html#ga4">apr_getopt()</a> </td></tr>
<tr><td valign="top"></td><td valign="top"><em>cont</em> </td><td>The pool to operate on </td></tr>
<tr><td valign="top"></td><td valign="top"><em>argc</em> </td><td>The number of arguments to parse </td></tr>
<tr><td valign="top"></td><td valign="top"><em>argv</em> </td><td>The array of arguments to parse </td></tr>
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<dl compact><dt><b>Remarks:</b></dt><dd>Arguments 2 and 3 are most commonly argc and argv from main(argc, argv) The errfn is initialized to fprintf(stderr... but may be overridden. </dd></dl>
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<td class="md" nowrap valign="top"><a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> * </td>
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<td class="md" nowrap>const <a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> * </td>
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<td class="md" nowrap>int * </td>
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Parse the options initialized by <a class="el" href="group__apr__getopt.html#ga3">apr_getopt_init()</a>, accepting long options beginning with "--" in addition to single-character options beginning with "-". <dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>os</em> </td><td>The <a class="el" href="structapr__getopt__t.html">apr_getopt_t</a> structure created by <a class="el" href="group__apr__getopt.html#ga3">apr_getopt_init()</a> </td></tr>
<tr><td valign="top"></td><td valign="top"><em>opts</em> </td><td>A pointer to a list of <a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> structures, which can be initialized with { "name", optch, has_args }. has_args is nonzero if the option requires an argument. A structure with an optch value of 0 terminates the list. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>option_ch</em> </td><td>Receives the value of "optch" from the <a class="el" href="structapr__getopt__option__t.html">apr_getopt_option_t</a> structure corresponding to the next option matched. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>option_arg</em> </td><td>Receives the argument following the option, if any. </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>There are four potential status values on exit. They are: <pre>
APR_EOF -- No more options to parse
APR_BADCH -- Found a bad option character
APR_BADARG -- No argument followed the option flag
APR_SUCCESS -- The next option was found.
</pre> When APR_SUCCESS is returned, os->ind gives the index of the first non-option argument. On error, a message will be printed to stdout unless os->err is set to 0. If os->interleave is set to nonzero, options can come after arguments, and os->argv will be permuted to leave non-option arguments at the end (the original argv is unaffected). </dd></dl>
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<hr size="1"><address style="align: right;"><small>Generated on Sun Mar 20 19:52:27 2005 for Apache Portable Runtime by
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