Function safe_app::ffi::mutable_data::mdata_list_user_permissions

#[no_mangle]
pub unsafe fn mdata_list_user_permissions(
    app: *const App, 
    info_h: MDataInfoHandle, 
    user_h: SignKeyHandle, 
    user_data: *mut c_void, 
    o_cb: extern "C" fn(_: *mut c_void, _: FfiResult, _: MDataPermissionSetHandle)
)

Get list of permissions set on the mutable data for the given user.

User is either handle to a signing key or USER_ANYONE.