File: FcCharSetMerge.3

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fontconfig 2.13.1-4.2
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.\" auto-generated by docbook2man-spec from docbook-utils package
.TH "FcCharSetMerge" "3" "30 8月 2018" "Fontconfig 2.13.1" ""
.SH NAME
FcCharSetMerge \- Merge charsets
.SH SYNOPSIS
.nf
\fB#include <fontconfig/fontconfig.h>
.sp
FcBool FcCharSetMerge (FcCharSet *\fIa\fB, const FcCharSet *\fIb\fB, FcBool *\fIchanged\fB);
.fi\fR
.SH "DESCRIPTION"
.PP
Adds all chars in \fIb\fR to \fIa\fR\&.
In other words, this is an in-place version of FcCharSetUnion.
If \fIchanged\fR is not NULL, then it returns whether any new
chars from \fIb\fR were added to \fIa\fR\&.
Returns FcFalse on failure, either when \fIa\fR is a constant
set or from running out of memory.