Type Alias esp_idf_svc::hal::sys::io_func

pub type io_func = Option<unsafe extern "C" fn(_: *mut esp_transport_item_t, _: *const i8, _: i32, _: i32) -> i32>;

Aliased Type

enum io_func {
    None,
    Some(unsafe extern "C" fn(_: *mut esp_transport_item_t, _: *const i8, _: i32, _: i32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut esp_transport_item_t, _: *const i8, _: i32, _: i32) -> i32)

Some value of type T.