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accounting.html	2.53 KB	-r--r--r--
api-array.html	32.95 KB	-r--r--r--
api-cgi.html	32.93 KB	-r--r--r--
api-cups.html	88.38 KB	-r--r--r--
api-driver.html	35.72 KB	-r--r--r--
api-filedir.html	32.22 KB	-r--r--r--
api-filter.html	46.11 KB	-r--r--r--
api-httpipp.html	160.97 KB	-r--r--r--
api-mime.html	21.68 KB	-r--r--r--
api-overview.html	11.27 KB	-r--r--r--
api-ppd.html	82.86 KB	-r--r--r--
api-ppdc.html	63.67 KB	-r--r--r--
api-raster.html	50.05 KB	-r--r--r--
cgi.html	2.46 KB	-r--r--r--
glossary.html	2.72 KB	-r--r--r--
kerberos.html	4.17 KB	-r--r--r--
license.html	48.75 KB	-r--r--r--
man-backend.html	5.71 KB	-r--r--r--
man-cancel.html	2.17 KB	-r--r--r--
man-cups-config.html	2.49 KB	-r--r--r--
man-cups-lpd.html	4.41 KB	-r--r--r--
man-cups-polld.html	1.37 KB	-r--r--r--
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network.html	26.99 KB	-r--r--r--
options.html	23.18 KB	-r--r--r--
overview.html	3.46 KB	-r--r--r--
policies.html	20.83 KB	-r--r--r--
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ppd-compiler.html	42.79 KB	-r--r--r--
raster-driver.html	18.22 KB	-r--r--r--
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ref-client-conf.html	2.08 KB	-r--r--r--
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security.html	5.96 KB	-r--r--r--
sharing.html	6.64 KB	-r--r--r--
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standard.html	5.22 KB	-r--r--r--
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<div class='body'>
<!--
  "$Id: api-cgi.html 8653 2009-05-16 23:53:28Z mike $"

CGI API header for CUPS.

These coded instructions, statements, and computer programs are the
  property of Apple Inc. and are protected by Federal copyright
  law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  which should have been included with this file.  If this file is
  file is missing or damaged, see the license at "http://www.cups.org/".
-->

<div class='summary'><table summary='General Information'>
<thead>
<tr>
	<th>Header</th>
	<th>cups/cgi.h</th>
</tr>
</thead>
<tbody>
<tr>
	<th>Library</th>
	<td>-lcupscgi</td>
</tr>
<tr>
	<th>See Also</th>
	<td>Programming: <a href='api-overview.html' target='_top'>Introduction to CUPS Programming</a></td>
</tr>
</tbody>
</table></div>
<h2 class="title">Contents</h2>
<ul class="contents">
<ul class="subcontents">
<li><a href="#OVERVIEW">Overview</a></li>
<li><a href="#FUNCTIONS">Functions</a><ul class="code">
<li><a href="#cgiCheckVariables" title="Check for the presence of &quot;required&quot; variables.">cgiCheckVariables</a></li>
<li><a href="#cgiCompileSearch" title="Compile a search string.">cgiCompileSearch</a></li>
<li><a href="#cgiCopyTemplateFile" title="Copy a template file and replace all the
'{variable}' strings with the variable value.">cgiCopyTemplateFile</a></li>
<li><a href="#cgiCopyTemplateLang" title="Copy a template file using a language...">cgiCopyTemplateLang</a></li>
<li><a href="#cgiDoSearch" title="Do a search of some text.">cgiDoSearch</a></li>
<li><a href="#cgiEndHTML" title="End a HTML page.">cgiEndHTML</a></li>
<li><a href="#cgiEndMultipart" title="End the delivery of a multipart web page.">cgiEndMultipart</a></li>
<li><a href="#cgiFormEncode" title="Encode a string as a form variable.">cgiFormEncode</a></li>
<li><a href="#cgiFreeSearch" title="Free a compiled search context.">cgiFreeSearch</a></li>
<li><a href="#cgiGetArray" title="Get an element from a form array...">cgiGetArray</a></li>
<li><a href="#cgiGetAttributes" title="Get the list of attributes that are needed
by the template file.">cgiGetAttributes</a></li>
<li><a href="#cgiGetFile" title="Get the file (if any) that was submitted in the form.">cgiGetFile</a></li>
<li><a href="#cgiGetIPPObjects" title="Get the objects in an IPP response.">cgiGetIPPObjects</a></li>
<li><a href="#cgiGetSize" title="Get the size of a form array value.">cgiGetSize</a></li>
<li><a href="#cgiGetTemplateDir" title="Get the templates directory...">cgiGetTemplateDir</a></li>
<li><a href="#cgiGetVariable" title="Get a CGI variable from the database...">cgiGetVariable</a></li>
<li><a href="#cgiInitialize" title="Initialize the CGI variable &quot;database&quot;...">cgiInitialize</a></li>
<li><a href="#cgiIsPOST" title="Determine whether this page was POSTed.">cgiIsPOST</a></li>
<li><a href="#cgiMoveJobs" title="Move one or more jobs.">cgiMoveJobs</a></li>
<li><a href="#cgiPrintCommand" title="Print a CUPS command job.">cgiPrintCommand</a></li>
<li><a href="#cgiPrintTestPage" title="Print a test page.">cgiPrintTestPage</a></li>
<li><a href="#cgiRewriteURL" title="Rewrite a printer URI into a web browser URL...">cgiRewriteURL</a></li>
<li><a href="#cgiSetArray" title="Set array element N to the specified string.">cgiSetArray</a></li>
<li><a href="#cgiSetIPPObjectVars" title="Set CGI variables from an IPP object.">cgiSetIPPObjectVars</a></li>
<li><a href="#cgiSetIPPVars" title="Set CGI variables from an IPP response.">cgiSetIPPVars</a></li>
<li><a href="#cgiSetServerVersion" title="Set the server name and CUPS version...">cgiSetServerVersion</a></li>
<li><a href="#cgiSetSize" title="Set the array size.">cgiSetSize</a></li>
<li><a href="#cgiSetVariable" title="Set a CGI variable in the database...">cgiSetVariable</a></li>
<li><a href="#cgiShowIPPError" title="Show the last IPP error message.">cgiShowIPPError</a></li>
<li><a href="#cgiShowJobs" title="Show print jobs.">cgiShowJobs</a></li>
<li><a href="#cgiStartHTML" title="Start a HTML page.">cgiStartHTML</a></li>
<li><a href="#cgiStartMultipart" title="Start a multipart delivery of a web page.">cgiStartMultipart</a></li>
<li><a href="#cgiSupportsMultipart" title="Does the browser support multi-part documents?">cgiSupportsMultipart</a></li>
<li><a href="#cgiText" title="Return localized text.">cgiText</a></li>
<li><a href="#helpDeleteIndex" title="Delete an index, freeing all memory used.">helpDeleteIndex</a></li>
<li><a href="#helpFindNode" title="Find a node in an index.">helpFindNode</a></li>
<li><a href="#helpLoadIndex" title="Load a help index from disk.">helpLoadIndex</a></li>
<li><a href="#helpSaveIndex" title="Save a help index to disk.">helpSaveIndex</a></li>
<li><a href="#helpSearchIndex" title="Search an index.">helpSearchIndex</a></li>
</ul></li>
<li><a href="#TYPES">Data Types</a><ul class="code">
	<li><a href="#cgi_file_t" title="Uploaded file data">cgi_file_t</a></li>
	<li><a href="#help_index_t" title="Help index structure">help_index_t</a></li>
	<li><a href="#help_node_t" title="Help node structure...">help_node_t</a></li>
	<li><a href="#help_word_t" title="Help word structure...">help_word_t</a></li>
</ul></li>
<li><a href="#STRUCTURES">Structures</a><ul class="code">
	<li><a href="#cgi_file_s" title="Uploaded file data">cgi_file_s</a></li>
	<li><a href="#help_index_s" title="Help index structure">help_index_s</a></li>
	<li><a href="#help_node_s" title="Help node structure...">help_node_s</a></li>
	<li><a href="#help_word_s" title="Help word structure...">help_word_s</a></li>
</ul></li>
<!--
  "$Id: api-cgi.html 8653 2009-05-16 23:53:28Z mike $"

CGI API introduction for CUPS.

<h2 class='title'><a name='OVERVIEW'>Overview</a></h2>

<p>The CGI API provides Common Gateway Interface functions for CUPS.</p>
<h2 class="title"><a name="FUNCTIONS">Functions</a></h2>
<h3 class="function"><a name="cgiCheckVariables">cgiCheckVariables</a></h3>
<p class="description">Check for the presence of &quot;required&quot; variables.</p>
<p class="code">
int cgiCheckVariables (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *names<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>names</dt>
<dd class="description">Variables to look for</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">1 if all variables present, 0 otherwise</p>
<h4 class="discussion">Discussion</h4>
<p class="discussion">Names may be separated by spaces and/or commas.</p>
<h3 class="function"><a name="cgiCompileSearch">cgiCompileSearch</a></h3>
<p class="description">Compile a search string.</p>
<p class="code">
void *cgiCompileSearch (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *query<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>query</dt>
<dd class="description">Query string</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Search context</p>
<h3 class="function"><a name="cgiCopyTemplateFile">cgiCopyTemplateFile</a></h3>
<p class="description">Copy a template file and replace all the
'{variable}' strings with the variable value.</p>
<p class="code">
void cgiCopyTemplateFile (<br>
&nbsp;&nbsp;&nbsp;&nbsp;FILE *out,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *tmpl<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>out</dt>
<dd class="description">Output file</dd>
<dt>tmpl</dt>
<dd class="description">Template file to read</dd>
</dl>
<h3 class="function"><a name="cgiCopyTemplateLang">cgiCopyTemplateLang</a></h3>
<p class="description">Copy a template file using a language...</p>
<p class="code">
void cgiCopyTemplateLang (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *tmpl<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>tmpl</dt>
<dd class="description">Base filename</dd>
</dl>
<h3 class="function"><a name="cgiDoSearch">cgiDoSearch</a></h3>
<p class="description">Do a search of some text.</p>
<p class="code">
int cgiDoSearch (<br>
&nbsp;&nbsp;&nbsp;&nbsp;void *search,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *text<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>search</dt>
<dd class="description">Search context</dd>
<dt>text</dt>
<dd class="description">Text to search</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Number of matches</p>
<h3 class="function"><a name="cgiEndHTML">cgiEndHTML</a></h3>
<p class="description">End a HTML page.</p>
<p class="code">
void cgiEndHTML (void);</p>
<h3 class="function"><a name="cgiEndMultipart">cgiEndMultipart</a></h3>
<p class="description">End the delivery of a multipart web page.</p>
<p class="code">
void cgiEndMultipart (void);</p>
<h3 class="function"><a name="cgiFormEncode">cgiFormEncode</a></h3>
<p class="description">Encode a string as a form variable.</p>
<p class="code">
char *cgiFormEncode (<br>
&nbsp;&nbsp;&nbsp;&nbsp;char *dst,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *src,<br>
&nbsp;&nbsp;&nbsp;&nbsp;size_t dstsize<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>dst</dt>
<dd class="description">Destination string</dd>
<dt>src</dt>
<dd class="description">Source string</dd>
<dt>dstsize</dt>
<dd class="description">Size of destination string</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Destination string</p>
<h3 class="function"><a name="cgiFreeSearch">cgiFreeSearch</a></h3>
<p class="description">Free a compiled search context.</p>
<p class="code">
void cgiFreeSearch (<br>
&nbsp;&nbsp;&nbsp;&nbsp;void *search<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>search</dt>
<dd class="description">Search context</dd>
</dl>
<h3 class="function"><a name="cgiGetArray">cgiGetArray</a></h3>
<p class="description">Get an element from a form array...</p>
<p class="code">
const char *cgiGetArray (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *name,<br>
&nbsp;&nbsp;&nbsp;&nbsp;int element<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>name</dt>
<dd class="description">Name of array variable</dd>
<dt>element</dt>
<dd class="description">Element number (0 to N)</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Element value or NULL</p>
<h3 class="function"><a name="cgiGetAttributes">cgiGetAttributes</a></h3>
<p class="description">Get the list of attributes that are needed
by the template file.</p>
<p class="code">
void cgiGetAttributes (<br>
&nbsp;&nbsp;&nbsp;&nbsp;ipp_t *request,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *tmpl<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>request</dt>
<dd class="description">IPP request</dd>
<dt>tmpl</dt>
<dd class="description">Base filename</dd>
</dl>
<h3 class="function"><a name="cgiGetFile">cgiGetFile</a></h3>
<p class="description">Get the file (if any) that was submitted in the form.</p>
<p class="code">
const <a href="#cgi_file_t">cgi_file_t</a> *cgiGetFile (void);</p>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Attached file or NULL</p>
<h3 class="function"><a name="cgiGetIPPObjects">cgiGetIPPObjects</a></h3>
<p class="description">Get the objects in an IPP response.</p>
<p class="code">
cups_array_t *cgiGetIPPObjects (<br>
&nbsp;&nbsp;&nbsp;&nbsp;ipp_t *response,<br>
&nbsp;&nbsp;&nbsp;&nbsp;void *search<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>response</dt>
<dd class="description">IPP response</dd>
<dt>search</dt>
<dd class="description">Search filter</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Array of objects</p>
<h3 class="function"><a name="cgiGetSize">cgiGetSize</a></h3>
<p class="description">Get the size of a form array value.</p>
<p class="code">
int cgiGetSize (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *name<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>name</dt>
<dd class="description">Name of variable</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Number of elements</p>
<h3 class="function"><a name="cgiGetTemplateDir">cgiGetTemplateDir</a></h3>
<p class="description">Get the templates directory...</p>
<p class="code">
char *cgiGetTemplateDir (void);</p>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Template directory</p>
<h3 class="function"><a name="cgiGetVariable">cgiGetVariable</a></h3>
<p class="description">Get a CGI variable from the database...</p>
<p class="code">
const char *cgiGetVariable (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *name<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>name</dt>
<dd class="description">Name of variable</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Value of variable</p>
<h4 class="discussion">Discussion</h4>
<p class="discussion">Returns NULL if the variable doesn't exist.  If the variable is an
array of values, returns the last element...</p>
<h3 class="function"><a name="cgiInitialize">cgiInitialize</a></h3>
<p class="description">Initialize the CGI variable &quot;database&quot;...</p>
<p class="code">
int cgiInitialize (void);</p>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Non-zero if there was form data</p>
<h3 class="function"><a name="cgiIsPOST">cgiIsPOST</a></h3>
<p class="description">Determine whether this page was POSTed.</p>
<p class="code">
int cgiIsPOST (void);</p>
<h4 class="returnvalue">Return Value</h4>
<p class="description">1 if POST, 0 if GET</p>
<h3 class="function"><a name="cgiMoveJobs">cgiMoveJobs</a></h3>
<p class="description">Move one or more jobs.</p>
<p class="code">
void cgiMoveJobs (<br>
&nbsp;&nbsp;&nbsp;&nbsp;http_t *http,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *dest,<br>
&nbsp;&nbsp;&nbsp;&nbsp;int job_id<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>http</dt>
<dd class="description">Connection to server</dd>
<dt>dest</dt>
<dd class="description">Destination or NULL</dd>
<dt>job_id</dt>
<dd class="description">Job ID or 0 for all</dd>
</dl>
<h4 class="discussion">Discussion</h4>
<p class="discussion">At least one of dest or job_id must be non-zero/NULL.</p>
<h3 class="function"><a name="cgiPrintCommand">cgiPrintCommand</a></h3>
<p class="description">Print a CUPS command job.</p>
<p class="code">
void cgiPrintCommand (<br>
&nbsp;&nbsp;&nbsp;&nbsp;http_t *http,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *dest,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *command,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *title<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>http</dt>
<dd class="description">Connection to server</dd>
<dt>dest</dt>
<dd class="description">Destination printer</dd>
<dt>command</dt>
<dd class="description">Command to send</dd>
<dt>title</dt>
<dd class="description">Page/job title</dd>
</dl>
<h3 class="function"><a name="cgiPrintTestPage">cgiPrintTestPage</a></h3>
<p class="description">Print a test page.</p>
<p class="code">
void cgiPrintTestPage (<br>
&nbsp;&nbsp;&nbsp;&nbsp;http_t *http,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *dest<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>http</dt>
<dd class="description">Connection to server</dd>
<dt>dest</dt>
<dd class="description">Destination printer/class</dd>
</dl>
<h3 class="function"><a name="cgiRewriteURL">cgiRewriteURL</a></h3>
<p class="description">Rewrite a printer URI into a web browser URL...</p>
<p class="code">
char *cgiRewriteURL (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *uri,<br>
&nbsp;&nbsp;&nbsp;&nbsp;char *url,<br>
&nbsp;&nbsp;&nbsp;&nbsp;int urlsize,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *newresource<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>uri</dt>
<dd class="description">Current URI</dd>
<dt>url</dt>
<dd class="description">New URL</dd>
<dt>urlsize</dt>
<dd class="description">Size of URL buffer</dd>
<dt>newresource</dt>
<dd class="description">Replacement resource</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">New URL</p>
<h3 class="function"><a name="cgiSetArray">cgiSetArray</a></h3>
<p class="description">Set array element N to the specified string.</p>
<p class="code">
void cgiSetArray (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *name,<br>
&nbsp;&nbsp;&nbsp;&nbsp;int element,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *value<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>name</dt>
<dd class="description">Name of variable</dd>
<dt>element</dt>
<dd class="description">Element number (0 to N)</dd>
<dt>value</dt>
<dd class="description">Value of variable</dd>
</dl>
<h4 class="discussion">Discussion</h4>
<p class="discussion">If the variable array is smaller than (element + 1), the intervening
elements are set to NULL.</p>
<h3 class="function"><a name="cgiSetIPPObjectVars">cgiSetIPPObjectVars</a></h3>
<p class="description">Set CGI variables from an IPP object.</p>
<p class="code">
ipp_attribute_t *cgiSetIPPObjectVars (<br>
&nbsp;&nbsp;&nbsp;&nbsp;ipp_attribute_t *obj,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *prefix,<br>
&nbsp;&nbsp;&nbsp;&nbsp;int element<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>obj</dt>
<dd class="description">Response data to be copied...</dd>
<dt>prefix</dt>
<dd class="description">Prefix for name or NULL</dd>
<dt>element</dt>
<dd class="description">Parent element number</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Next object</p>
<h3 class="function"><a name="cgiSetIPPVars">cgiSetIPPVars</a></h3>
<p class="description">Set CGI variables from an IPP response.</p>
<p class="code">
int cgiSetIPPVars (<br>
&nbsp;&nbsp;&nbsp;&nbsp;ipp_t *response,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *filter_name,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *filter_value,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *prefix,<br>
&nbsp;&nbsp;&nbsp;&nbsp;int parent_el<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>response</dt>
<dd class="description">Response data to be copied...</dd>
<dt>filter_name</dt>
<dd class="description">Filter name</dd>
<dt>filter_value</dt>
<dd class="description">Filter value</dd>
<dt>prefix</dt>
<dd class="description">Prefix for name or NULL</dd>
<dt>parent_el</dt>
<dd class="description">Parent element number</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Maximum number of elements</p>
<h3 class="function"><a name="cgiSetServerVersion">cgiSetServerVersion</a></h3>
<p class="description">Set the server name and CUPS version...</p>
<p class="code">
void cgiSetServerVersion (void);</p>
<h3 class="function"><a name="cgiSetSize">cgiSetSize</a></h3>
<p class="description">Set the array size.</p>
<p class="code">
void cgiSetSize (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *name,<br>
&nbsp;&nbsp;&nbsp;&nbsp;int size<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>name</dt>
<dd class="description">Name of variable</dd>
<dt>size</dt>
<dd class="description">Number of elements (0 to N)</dd>
</dl>
<h3 class="function"><a name="cgiSetVariable">cgiSetVariable</a></h3>
<p class="description">Set a CGI variable in the database...</p>
<p class="code">
void cgiSetVariable (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *name,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *value<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>name</dt>
<dd class="description">Name of variable</dd>
<dt>value</dt>
<dd class="description">Value of variable</dd>
</dl>
<h4 class="discussion">Discussion</h4>
<p class="discussion">If the variable is an array, this truncates the array to a single element.</p>
<h3 class="function"><a name="cgiShowIPPError">cgiShowIPPError</a></h3>
<p class="description">Show the last IPP error message.</p>
<p class="code">
void cgiShowIPPError (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *message<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>message</dt>
<dd class="description">Contextual message</dd>
</dl>
<h4 class="discussion">Discussion</h4>
<p class="discussion">The caller must still call cgiStartHTML() and cgiEndHTML().</p>
<h3 class="function"><a name="cgiShowJobs">cgiShowJobs</a></h3>
<p class="description">Show print jobs.</p>
<p class="code">
void cgiShowJobs (<br>
&nbsp;&nbsp;&nbsp;&nbsp;http_t *http,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *dest<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>http</dt>
<dd class="description">Connection to server</dd>
<dt>dest</dt>
<dd class="description">Destination name or NULL</dd>
</dl>
<h3 class="function"><a name="cgiStartHTML">cgiStartHTML</a></h3>
<p class="description">Start a HTML page.</p>
<p class="code">
void cgiStartHTML (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *title<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>title</dt>
<dd class="description">Title of page</dd>
</dl>
<h3 class="function"><a name="cgiStartMultipart">cgiStartMultipart</a></h3>
<p class="description">Start a multipart delivery of a web page.</p>
<p class="code">
void cgiStartMultipart (void);</p>
<h3 class="function"><a name="cgiSupportsMultipart">cgiSupportsMultipart</a></h3>
<p class="description">Does the browser support multi-part documents?</p>
<p class="code">
int cgiSupportsMultipart (void);</p>
<h4 class="returnvalue">Return Value</h4>
<p class="description">1 if multi-part supported, 0 otherwise</p>
<h3 class="function"><a name="cgiText">cgiText</a></h3>
<p class="description">Return localized text.</p>
<p class="code">
const char *cgiText (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *message<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>message</dt>
<dd class="description">Message</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Localized message</p>
<h3 class="function"><a name="helpDeleteIndex">helpDeleteIndex</a></h3>
<p class="description">Delete an index, freeing all memory used.</p>
<p class="code">
void helpDeleteIndex (<br>
&nbsp;&nbsp;&nbsp;&nbsp;<a href="#help_index_t">help_index_t</a> *hi<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>hi</dt>
<dd class="description">Help index</dd>
</dl>
<h3 class="function"><a name="helpFindNode">helpFindNode</a></h3>
<p class="description">Find a node in an index.</p>
<p class="code">
<a href="#help_node_t">help_node_t</a> *helpFindNode (<br>
&nbsp;&nbsp;&nbsp;&nbsp;<a href="#help_index_t">help_index_t</a> *hi,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *filename,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *anchor<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>hi</dt>
<dd class="description">Index</dd>
<dt>filename</dt>
<dd class="description">Filename</dd>
<dt>anchor</dt>
<dd class="description">Anchor</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Node pointer or NULL</p>
<h3 class="function"><a name="helpLoadIndex">helpLoadIndex</a></h3>
<p class="description">Load a help index from disk.</p>
<p class="code">
<a href="#help_index_t">help_index_t</a> *helpLoadIndex (<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *hifile,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *directory<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>hifile</dt>
<dd class="description">Index filename</dd>
<dt>directory</dt>
<dd class="description">Directory that is indexed</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Index pointer or NULL</p>
<h3 class="function"><a name="helpSaveIndex">helpSaveIndex</a></h3>
<p class="description">Save a help index to disk.</p>
<p class="code">
int helpSaveIndex (<br>
&nbsp;&nbsp;&nbsp;&nbsp;<a href="#help_index_t">help_index_t</a> *hi,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *hifile<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>hi</dt>
<dd class="description">Index</dd>
<dt>hifile</dt>
<dd class="description">Index filename</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">0 on success, -1 on error</p>
<h3 class="function"><a name="helpSearchIndex">helpSearchIndex</a></h3>
<p class="description">Search an index.</p>
<p class="code">
<a href="#help_index_t">help_index_t</a> *helpSearchIndex (<br>
&nbsp;&nbsp;&nbsp;&nbsp;<a href="#help_index_t">help_index_t</a> *hi,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *query,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *section,<br>
&nbsp;&nbsp;&nbsp;&nbsp;const char *filename<br>
);</p>
<h4 class="parameters">Parameters</h4>
<dl>
<dt>hi</dt>
<dd class="description">Index</dd>
<dt>query</dt>
<dd class="description">Query string</dd>
<dt>section</dt>
<dd class="description">Limit search to this section</dd>
<dt>filename</dt>
<dd class="description">Limit search to this file</dd>
</dl>
<h4 class="returnvalue">Return Value</h4>
<p class="description">Search index</p>
<h2 class="title"><a name="TYPES">Data Types</a></h2>
<h3 class="typedef"><a name="cgi_file_t">cgi_file_t</a></h3>
<p class="description">Uploaded file data</p>
<p class="code">
typedef struct <a href="#cgi_file_s">cgi_file_s</a> cgi_file_t;
</p>
<h3 class="typedef"><a name="help_index_t">help_index_t</a></h3>
<p class="description">Help index structure</p>
<p class="code">
typedef struct <a href="#help_index_s">help_index_s</a> help_index_t;
</p>
<h3 class="typedef"><a name="help_node_t">help_node_t</a></h3>
<p class="description">Help node structure...</p>
<p class="code">
typedef struct <a href="#help_node_s">help_node_s</a> help_node_t;
</p>
<h3 class="typedef"><a name="help_word_t">help_word_t</a></h3>
<p class="description">Help word structure...</p>
<p class="code">
typedef struct <a href="#help_word_s">help_word_s</a> help_word_t;
</p>
<h2 class="title"><a name="STRUCTURES">Structures</a></h2>
<h3 class="struct"><a name="cgi_file_s">cgi_file_s</a></h3>
<p class="description">Uploaded file data</p>
<p class="code">struct cgi_file_s {<br>
&nbsp;&nbsp;&nbsp;&nbsp;size_t filesize;<br>
&nbsp;&nbsp;&nbsp;&nbsp;char tempfile[1024], *name, *filename, *mimetype;<br>
};</p>
<h4 class="members">Members</h4>
<dl>
<dt>filesize </dt>
<dd class="description">Size of uploaded file</dd>
<dt>mimetype </dt>
<dd class="description">MIME media type</dd>
</dl>
<h3 class="struct"><a name="help_index_s">help_index_s</a></h3>
<p class="description">Help index structure</p>
<p class="code">struct help_index_s {<br>
&nbsp;&nbsp;&nbsp;&nbsp;cups_array_t *nodes;<br>
&nbsp;&nbsp;&nbsp;&nbsp;int search;<br>
&nbsp;&nbsp;&nbsp;&nbsp;cups_array_t *sorted;<br>
};</p>
<h4 class="members">Members</h4>
<dl>
<dt>nodes </dt>
<dd class="description">Nodes sorted by filename</dd>
<dt>search </dt>
<dd class="description">1 = search index, 0 = normal</dd>
<dt>sorted </dt>
<dd class="description">Nodes sorted by score + text</dd>
</dl>
<h3 class="struct"><a name="help_node_s">help_node_s</a></h3>
<p class="description">Help node structure...</p>
<p class="code">struct help_node_s {<br>
&nbsp;&nbsp;&nbsp;&nbsp;char *anchor;<br>
&nbsp;&nbsp;&nbsp;&nbsp;char *filename;<br>
&nbsp;&nbsp;&nbsp;&nbsp;size_t length;<br>
&nbsp;&nbsp;&nbsp;&nbsp;time_t mtime;<br>
&nbsp;&nbsp;&nbsp;&nbsp;off_t offset;<br>
&nbsp;&nbsp;&nbsp;&nbsp;int score;<br>
&nbsp;&nbsp;&nbsp;&nbsp;char *section;<br>
&nbsp;&nbsp;&nbsp;&nbsp;char *text;<br>
&nbsp;&nbsp;&nbsp;&nbsp;cups_array_t *words;<br>
};</p>
<h4 class="members">Members</h4>
<dl>
<dt>anchor </dt>
<dd class="description">Anchor name (NULL if none)</dd>
<dt>filename </dt>
<dd class="description">Filename, relative to help dir</dd>
<dt>length </dt>
<dd class="description">Length in bytes</dd>
<dt>mtime </dt>
<dd class="description">Last modification time</dd>
<dt>offset </dt>
<dd class="description">Offset in file</dd>
<dt>score </dt>
<dd class="description">Search score</dd>
<dt>section </dt>
<dd class="description">Section name (NULL if none)</dd>
<dt>text </dt>
<dd class="description">Text in anchor</dd>
<dt>words </dt>
<dd class="description">Words after this node</dd>
</dl>
<h3 class="struct"><a name="help_word_s">help_word_s</a></h3>
<p class="description">Help word structure...</p>
<p class="code">struct help_word_s {<br>
&nbsp;&nbsp;&nbsp;&nbsp;int count;<br>
&nbsp;&nbsp;&nbsp;&nbsp;char *text;<br>
};</p>
<h4 class="members">Members</h4>
<dl>
<dt>count </dt>
<dd class="description">Number of occurrences</dd>
<dt>text </dt>
<dd class="description">Word text</dd>
</dl>
</div>
</body>
</html>

${this.title}

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