Function js::jsapi::JS_DefineUCFunction

pub unsafe extern "C" fn JS_DefineUCFunction(
    cx: *mut JSContext, 
    obj: Handle<*mut JSObject>, 
    name: *const c_ushort, 
    namelen: usize, 
    call: JSNative, 
    nargs: c_uint, 
    attrs: c_uint
) -> *mut JSFunction