Man page - fccharsetsubtract(3)
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Manual
FcCharSetSubtract
NAMESYNOPSIS
DESCRIPTION
NAME
FcCharSetSubtract - Subtract charsets
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcCharSet * FcCharSetSubtract (const FcCharSet * a , const FcCharSet * b );
DESCRIPTION
Returns a set including only those chars found in a but not b .