Type Alias windows::Win32::Devices::SerialCommunication::PSERENUM_WRITEPORT

pub type PSERENUM_WRITEPORT = Option<unsafe extern "system" fn(serportaddress: *const c_void, value: u8)>;

Aliased Type

enum PSERENUM_WRITEPORT {
    None,
    Some(unsafe extern "system" fn(_: *const c_void, _: u8)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *const c_void, _: u8))

Some value of type T.