Function WlanRegisterNotification 

pub unsafe extern "system" fn WlanRegisterNotification(
    hclienthandle: HANDLE,
    dwnotifsource: WLAN_NOTIFICATION_SOURCES,
    bignoreduplicate: BOOL,
    funccallback: WLAN_NOTIFICATION_CALLBACK,
    pcallbackcontext: *const c_void,
    preserved: *const c_void,
    pdwprevnotifsource: *mut u32,
) -> u32