FcObjectSetCreate 3 Fontconfig &version; FcObjectSetCreate Create an object set #include <fontconfig/fontconfig.h> FcObjectSet * FcObjectSetCreate void Creates an empty set. FcObjectSetAdd 3 Fontconfig &version; FcObjectSetAdd Add to an object set #include <fontconfig/fontconfig.h> FcBool FcObjectSetAdd FcObjectSet *os const char *object Adds a property name to the set. Returns FcFalse if the property name cannot be inserted into the set (due to allocation failure). Otherwise returns FcTrue. FcObjectSetDestroy 3 Fontconfig &version; FcObjectSetDestroy Destroy an object set #include <fontconfig/fontconfig.h> void FcObjectSetDestroy FcObjectSet *os Destroys an object set. FcObjectSetBuild 3 Fontconfig &version; FcObjectSetBuild FcObjectSetVaBuild FcObjectSetVapBuild Build object set from args #include <fontconfig/fontconfig.h> FcObjectSet * FcObjectSetBuild const char *first ... FcObjectSet * FcObjectSetVaBuild const char *first va_list va void FcObjectSetVapBuild FcObjectSet *result const char *first va_list va These build an object set from a null-terminated list of property names. FcObjectSetVapBuild is a macro version of FcObjectSetVaBuild which returns the result in the result variable directly.