Function ostree_sys::ostree_sign_ed25519_data

pub unsafe extern "C" fn ostree_sign_ed25519_data(
    self_: *mut OstreeSign, 
    data: *mut GBytes, 
    signature: *mut *mut GBytes, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> gboolean