Revision 125779 of NPN_GetValueForURL

<p>{{ Np-browser-api() }}</p>
<h3 name="Summary">Summary</h3>
<p>...</p>
<h3 name="Syntax">Syntax</h3>
<pre>#include &lt;npapi.h&gt;

typedef enum {
  NPNURLVCookie = 501,
  NPNURLVProxy
} NPNURLVariable;

NPError NPN_GetValueForURL(NPP instance,
                           NPNURLVariable variable,
                           const char *url,
                           char **value,
                           uint32_t *len);

</pre>
<h3 name="Parameters">Parameters</h3>
<p>This function has the following parameters:</p>
<dl> <dt>instance</dt> <dd>Pointer to the current plug-in instance.</dd>
</dl>
<dl> <dt>variable</dt> <dd>Selects the type of information to be retrieved (<code>NPNURLVCookie </code>or <code>NPNURLVProxy</code>)</dd>
</dl>
<dl> <dt>url</dt> <dd>...</dd>
</dl>
<dl> <dt>value</dt> <dd>Out parameter. The browser passes back the requested information. If the function succeeds, the result buffer will be allocated with NPN_MemAlloc; the plugin is responsible for freeing the buffer. <em>Note: the value may have internal NULL bytes and may not be NULL-terminated.</em></dd>
</dl>
<dl> <dt>len</dt> <dd>Out parameter. The length of the returned value buffer.</dd>
</dl>
<h3 name="Returns">Returns</h3>
<ul> <li>If successful, the function returns NPERR_NO_ERROR.</li> <li>If unsuccessful, the function returns an error code. For possible values, see <a href="/en/NPAPI/Constants#Error_Codes" title="en/NPAPI/Constants#Error_Codes">Error Codes</a>.</li>
</ul>
<h3 name="Description">Description</h3>
<p>...</p>
<p>See also</p>
<p><a href="/en/NPN_SetValueForURL" title="en/NPN_SetValueForURL">NPN_SetValueForURL</a>, <a href="/en/NPN_GetAuthenticationInfo" title="en/NPN_GetAuthenticationInfo">NPN_GetAuthenticationInfo</a></p>