Type Alias LPOCNCHKPROC 

pub type LPOCNCHKPROC = Option<unsafe extern "stdcall" fn(arg1: SCARDCONTEXT, arg2: SCARDHANDLE, arg3: PVOID) -> BOOL>;

Aliased Type

pub enum LPOCNCHKPROC {
    None,
    Some(unsafe extern "stdcall" fn(u32, u32, *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "stdcall" fn(u32, u32, *mut c_void) -> i32)

Some value of type T.