Type Alias out_func 

pub type out_func = Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *mut c_uchar, arg3: c_uint) -> c_int>;

Aliased Type

pub enum out_func {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut u8, u32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut u8, u32) -> i32)

Some value of type T.