pub type CK_C_SignMessageBegin = Option<unsafe extern "C" fn(hSession: CK_SESSION_HANDLE, pParameter: CK_VOID_PTR, ulParameterLen: CK_ULONG) -> CK_RV>;Aliased Type§
pub enum CK_C_SignMessageBegin {
None,
Some(unsafe extern "C" fn(u64, *mut c_void, u64) -> u64),
}