Function libeyelink_sys::get_all_hook_functions_V2

pub unsafe extern "C" fn get_all_hook_functions_V2() -> *mut HOOKFCNS2

@ingroup display Returns a pointer to HOOKFCNS2, with values that are set by setup_graphic_hook_functions_V2().

This function with combination of setup_graphic_hook_functions can be used to over-ride an existing hook function.