Type Alias libosdp_sys::cp_event_callback_t
source · pub type cp_event_callback_t = Option<unsafe extern "C" fn(arg: *mut c_void, pd: c_int, ev: *mut osdp_event) -> c_int>;Expand description
@brief Callback for CP event notifications. After is has been registered with
osdp_cp_set_event_callback, this method is invoked when the CP receives an
event from the PD.
@param arg pointer that will was passed to the arg param of
osdp_cp_set_event_callback.
@param pd PD offset number as in pd_info_t *.
@param ev pointer to osdp_event struct (filled by libosdp).
@retval 0 on handling the event successfully. @retval -ve on errors.
Aliased Type§
enum cp_event_callback_t {
None,
Some(unsafe extern "C" fn(_: *mut c_void, _: i32, _: *mut osdp_event) -> i32),
}