Type Alias esp_event_handler_t 

pub type esp_event_handler_t = Option<unsafe extern "C" fn(event_handler_arg: *mut c_void, event_base: esp_event_base_t, event_id: i32, event_data: *mut c_void)>;

Aliased Type

pub enum esp_event_handler_t {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *const u8, i32, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *const u8, i32, *mut c_void))

Some value of type T.