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<HTML><HEAD><TITLE>Xlib Programming Manual: XFetchBuffer</TITLE></HEAD><BODY><H1 ALIGN=center>XFetchBuffer</H1><H2>Syntax</H2><!.IN "XFetchBuffer" "" "@DEF@"><CODE><PRE>char *XFetchBuffer(<B>display</B>, <B>nbytes_return</B>, <B>buffer</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; int *<B>nbytes_return</B>; int <B>buffer</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>nbytes_return</B><TD> Returns the number of bytes in the buffer.<TR><TD> <B>buffer</B><TD> Specifies the buffer from which you want the stored data returned.</TABLE><H2>Description</H2>The<B>XFetchBuffer()</B>function returns zero to the nbytes_return argument if there is no data in the buffer or if an invalidbuffer is specified.<H2>See also</H2><B><A HREF="XFetchBytes.html">XFetchBytes()</A></B>,<B><A HREF="XRotateBuffers.html">XRotateBuffers()</A></B>,<B><A HREF="XStoreBuffer.html">XStoreBuffer()</A></B>,<B><A HREF="XStoreBytes.html">XStoreBytes()</A></B>,"<A HREF="using-cut-buffers.html">Using Cut Buffers</A>".<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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