Phoc.Output.unmanaged_for_each_surface

### Method

# Phoc Outputunmanaged_for_each_surface

#### Declaration [src]

    void
    phoc_output_unmanaged_for_each_surface (
      PhocOutput* self,
      PhocXWaylandUnmanaged* unmanaged,
      PhocSurfaceIterator iterator,
      void* user_data
    )

#### Description [src]

Iterate over surfaces in a `PhocXWaylandUnmanaged`s surface tree.

#### Parameters

`unmanaged`

  Type: `PhocXWaylandUnmanaged`

  The `PhocXWaylandUnmanaged`.

  The data is owned by the caller of the method.

`iterator`

  Type: `PhocSurfaceIterator`

  The callback invoked on each iteration.

`user_data`

  Type: `void*`

  Callback user data.

  The argument can be `NULL`.
  The data is owned by the caller of the method.