Vips.ClassMapFn
Description: Reference for Vips.ClassMapFn

### Function

# VipsClassMapFn

#### Declaration

    void*
    (* VipsClassMapFn) (
      VipsObjectClass* cls,
      void* a
    )

#### Description

No description available.

#### Parameters

`cls`

  Type: `VipsObjectClass`

  No description available.

  The data is owned by the caller of the function.

`a`

  Type: `void*`

  No description available.

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

#### Return value

Type: `void*`

No description available.

The data is owned by the called function.
The return value can be `NULL`.