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<HTML><HEAD><TITLE>Xlib Programming Manual: XFree</TITLE></HEAD><BODY><H1 ALIGN=center>2.4. Freeing Client-Created Data</H1>To free in-memory data that was created by an Xlib function, use<B>XFree()</B>.<!.IN "XFree" "" "@DEF@"><H2>Syntax</H2><CODE><PRE>XFree(<B>data</B>) void *<B>data</B>; </PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>data</B><TD> Specifies the data that is to be freed.</TABLE><H2>Description</H2>The<B>XFree()</B>function is a general-purpose Xlib routine that frees the specified data.You must use it to free any objects that were allocated by Xlib,unless an alternate function is explicitly specified for the object.A NULL pointer cannot be passed to this function.<H5 ALIGN=right><I>Next: <A HREF="closing.html">Closing the Display</A></I></H5><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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