📄 websvalid.htm

📁 Writing Efficient C for ARM 基于ARM内核微处理器操作系统的移植基于ARM的嵌入式开发(PDF ARM中国) ARM+DSP+CPLD开发板 s3

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<title>websValid -- GoAhead WebServer API</title>
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<td class="titleLeft" align=left width="33%"><b>websValid</b></TD><td class="titleCenter" align=center width="33%"><b> 
GoAhead WebServer API</b></TD><td class="titleRight" align=right width="33%"><B> 
GoAhead EMF</B></TD></TR> </TABLE><HR> <h2>Synopsis</h2><p>Determine if the web 
server connection handle is still open.</p><h2>Prototype</h2><pre> #include &quot;webs.h&quot; 

 int <b>websValid</b>(webs_t wp); </pre><h2>Parameters</h2><table width=100% BORDER="0" CELLPADDING="0" CELLSPACING="0"> 
<TR> <TD VALIGN="TOP" WIDTH="4%">wp <TD WIDTH="96%">Web server connection handle.</TD></TR></table><h2>Description</h2><P>The 
websValid procedure returns TRUE if the web server connection handle is valid. 
This is useful for code which runs after an ASP or Form procedure that may close 
the connection by calling <a href="websError.htm">websError</a>. </P><h2>Return 
Value</h2><p> Pointer to a statically allocated string. Do not call <A href="../basicapi/bfree.htm">bfree</A>.</p><h2>Example</h2><pre> 
if (websValid(wp)) { websWrite(wp, "More output");
 } </pre><h2>Stability Classification</h2><p>Stable.</p><h2>See 
Also</h2><p> <A href="../../../over/asp.htm">Active Server Pages</A>, <A href="../../../over/goforms.htm">GoForms</A>, 
<A href="websDone.htm">websDone</A>, <A href="websFooter.htm">websFooter</A>, 
<A href="websHeader.htm">websHeader</A>, <A href="websWrite.htm">websWrite</A> 
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