Function argon2d_ctx 

pub unsafe extern "C" fn argon2d_ctx(
    context: *mut argon2_context,
) -> c_int

Argon2d: Version of Argon2 that picks memory blocks depending on the password and salt. Only for side-channel-free environment!!

---

@param context Pointer to current Argon2 context

@return Zero if successful, a non zero error code otherwise