Type Alias esp_idf_sys::ble_gatt_access_fn

pub type ble_gatt_access_fn = Option<unsafe extern "C" fn(conn_handle: u16, attr_handle: u16, ctxt: *mut ble_gatt_access_ctxt, arg: *mut c_void) -> c_int>;

Aliased Type

enum ble_gatt_access_fn {
    None,
    Some(unsafe extern "C" fn(_: u16, _: u16, _: *mut ble_gatt_access_ctxt, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u16, _: u16, _: *mut ble_gatt_access_ctxt, _: *mut c_void) -> i32)

Some value of type T.