Function uspoof_getAllowedChars
pub unsafe extern "cdecl" fn uspoof_getAllowedChars(
sc: *const USpoofChecker,
status: *mut UErrorCode,
) -> *mut USet
pub unsafe extern "cdecl" fn uspoof_getAllowedChars(
sc: *const USpoofChecker,
status: *mut UErrorCode,
) -> *mut USet