FcCharSetAddChar - Add a character to a charset
#include <fontconfig.h> FcBool FcCharSetAddChar(FcCharSet *fcs); (FcChar32 ucs4); .fi
FcCharSetAddChar adds a single unicode char to the set, returning FcFalse on failure, either as a result of a constant set or from running out of memory.
Fontconfig version 2.8.0 18 November 2009 FcCharSetAddChar(3)