Type Alias LPOCNCHKPROC

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

Aliased Type

enum LPOCNCHKPROC {
    None,
    Some(unsafe extern "C" fn(_: u64, _: u64, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u64, _: u64, _: *mut c_void) -> i32)

Some value of type T.