Type Definition windows_sys::Win32::Devices::Tapi::LPOPENTNEFSTREAM

pub type LPOPENTNEFSTREAM = Option<unsafe extern "system" fn(lpvsupport: *mut c_void, lpstream: IStream, lpszstreamname: *const i8, ulflags: u32, lpmessage: IMessage, wkeyval: u16, lpptnef: *mut ITnef) -> HRESULT>;

Required features: ‘Win32_Devices_Tapi’, ‘Win32_System_AddressBook’, ‘Win32_System_Com’