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FcCharSetMerge

Section: (3)
Updated: 05 8月 2016
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NAME

FcCharSetMerge - Merge charsets

SYNOPSIS

#include <fontconfig/fontconfig.h>

FcBool FcCharSetMerge (FcCharSet *a, const FcCharSet *b, FcBool *changed);

DESCRIPTION

Adds all chars in b to a. In other words, this is an in-place version of FcCharSetUnion. If changed is not NULL, then it returns whether any new chars from b were added to a. Returns FcFalse on failure, either when a is a constant set or from running out of memory.