Type Alias libcryptsetup_rs_sys::crypt_token_open_func

pub type crypt_token_open_func = Option<unsafe extern "C" fn(cd: *mut crypt_device, token: c_int, buffer: *mut *mut c_char, buffer_len: *mut usize, usrptr: *mut c_void) -> c_int>;

Aliased Type

enum crypt_token_open_func {
    None,
    Some(unsafe extern "C" fn(_: *mut crypt_device, _: i32, _: *mut *mut i8, _: *mut usize, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut crypt_device, _: i32, _: *mut *mut i8, _: *mut usize, _: *mut c_void) -> i32)

Some value of type T.