Type Alias Dtcompar_f 

pub type Dtcompar_f = Option<unsafe extern "C" fn(arg1: *mut Dt_t, arg2: *mut c_void, arg3: *mut c_void, arg4: *mut Dtdisc_t) -> c_int>;

Aliased Type

pub enum Dtcompar_f {
    None,
    Some(unsafe extern "C" fn(*mut _dt_s, *mut c_void, *mut c_void, *mut _dtdisc_s) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut _dt_s, *mut c_void, *mut c_void, *mut _dtdisc_s) -> i32)

Some value of type T.