websvalid.htm
来自「一个典型的用于嵌入式Linux环境的Webserver」· HTM 代码 · 共 30 行
HTM
30 行
<html><head><!- Copyright (c) Go Ahead Software Inc., 1995-2000. All Rights Reserved. -><title>websValid -- GoAhead WebServer API</title><link rel="stylesheet" href="../../../style/doc.css" type="text/css"></head><body><table width="550"> <tr><td><TABLE border=0 width=100% cellspacing=0 cellpadding=0 CLASS="apiTitle"> <TR> <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 "webs.h" 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> </p></td></tr></table></body></html>
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