Type Alias PFN_CRYPT_CANCEL_RETRIEVAL

pub type PFN_CRYPT_CANCEL_RETRIEVAL = Option<unsafe extern "C" fn(dwFlags: DWORD, pvArg: *mut c_void) -> BOOL>;

Aliased Type

enum PFN_CRYPT_CANCEL_RETRIEVAL {
    None,
    Some(unsafe extern "C" fn(_: u32, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u32, _: *mut c_void) -> i32)

Some value of type T.