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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >FcCharSetMerge</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" HREF="index.html"><LINK REL="UP" TITLE="FcCharSet" HREF="x103.html#AEN1869"><LINK REL="PREVIOUS" TITLE="FcCharSetSubtract" HREF="fccharsetsubtract.html"><LINK REL="NEXT" TITLE="FcCharSetHasChar" HREF="fccharsethaschar.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="fccharsetsubtract.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="fccharsethaschar.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="FCCHARSETMERGE" ></A >FcCharSetMerge</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2078" ></A ><H2 >Name</H2 >FcCharSetMerge -- Merge charsets</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN2081" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN2082" ></A ><PRE CLASS="FUNCSYNOPSISINFO" >#include <fontconfig/fontconfig.h> </PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >FcBool FcCharSetMerge</CODE >(FcCharSet *a, const FcCharSet *b, FcBool *changed);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2093" ></A ><H2 >Description</H2 ><P >Adds all chars in <CODE CLASS="PARAMETER" >b</CODE > to <CODE CLASS="PARAMETER" >a</CODE >. In other words, this is an in-place version of FcCharSetUnion. If <CODE CLASS="PARAMETER" >changed</CODE > is not NULL, then it returns whether any new chars from <CODE CLASS="PARAMETER" >b</CODE > were added to <CODE CLASS="PARAMETER" >a</CODE >. Returns FcFalse on failure, either when <CODE CLASS="PARAMETER" >a</CODE > is a constant set or from running out of memory. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="fccharsetsubtract.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="fccharsethaschar.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >FcCharSetSubtract</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="x103.html#AEN1869" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >FcCharSetHasChar</TD ></TR ></TABLE ></DIV ></BODY ></HTML >