(defcstruct g-param-spec-int64
  (:parent-instance (:pointer (:struct g-param-spec)))
  (:minimum :int64)
  (:maximum :int64)
  (:default-value :int64))  

:parent-instance

Private g-param-spec portion.

:minimum

A 64-bit integer with the value.

:maximum

A 64-bit integer with the maximum value.

:default-value

A 64-bit integer with the default value.