pub unsafe extern "C" fn switch_event_channel_bind(
event_channel: *const c_char,
func: switch_event_channel_func_t,
id: *mut switch_event_channel_id_t,
user_data: *mut c_void,
) -> switch_status_tpub unsafe extern "C" fn switch_event_channel_bind(
event_channel: *const c_char,
func: switch_event_channel_func_t,
id: *mut switch_event_channel_id_t,
user_data: *mut c_void,
) -> switch_status_t