Type Alias in_func 

pub type in_func = Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *mut *mut c_uchar) -> c_uint>;

Aliased Type

pub enum in_func {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut *mut u8) -> u32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut *mut u8) -> u32)

Some value of type T.