Type Alias ReadAsyncCbT

pub type ReadAsyncCbT = Option<unsafe extern "C" fn(buf: *mut c_uchar, len: u32, ctx: *mut c_void)>;

read async callback function

Aliased Type

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

Variants

None

No value.

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

Some value of type T.