FcFontSetAdd - Add to a font set
#include <fontconfig.h>
FcBool FcFontSetAdd(FcFontSet *s);
(FcPattern *font);
.fi
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.
Fontconfig version 2.8.0
18 November 2009 FcFontSetAdd(3)