Man page - fcfontsetadd(3)
Packages contains this manual
Manual
FcFontSetAdd
NAMESYNOPSIS
DESCRIPTION
NAME
FcFontSetAdd - Add to a font set
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcFontSetAdd (FcFontSet * s , FcPattern * font );
DESCRIPTION
Adds a pattern to a font set. Note that the pattern is not copied before being inserted into the set. Returns FcFalse if the pattern cannot be inserted into the set (due to allocation failure). Otherwise returns FcTrue.