Manpages - FcPatternAddWeak.3

FcPatternAddWeak - Add a value to a pattern with weak binding

#include <fontconfig/fontconfig.h>

FcBool FcPatternAddWeak (FcPattern p, const char */object/, FcValue value, FcBool append);*

FcPatternAddWeak is essentially the same as FcPatternAdd except that any values added to the list have binding weak instead of strong.