Function gobject_sys::g_param_spec_enum

pub unsafe extern fn g_param_spec_enum(name: *const c_char,
                                       nick: *const c_char,
                                       blurb: *const c_char,
                                       enum_type: GType,
                                       default_value: c_int,
                                       flags: GParamFlags)
                                       -> *mut GParamSpec