pub type cgetsc_ft = Option<unsafe extern "C" fn(chi: *mut scomplex, zeta_r: *mut f64, zeta_i: *mut f64)>;
enum cgetsc_ft { None, Some(unsafe extern "C" fn(_: *mut scomplex, _: *mut f64, _: *mut f64)), }
No value.
Some value of type T.
T