Vips.SListMap4Fn
Description: Reference for Vips.SListMap4Fn

### Function

# VipsSListMap4Fn

#### Declaration

    void*
    (* VipsSListMap4Fn) (
      void* item,
      void* a,
      void* b,
      void* c,
      void* d
    )

#### Description

No description available.

#### Parameters

`item`

  Type: `void*`

  No description available.

  The argument can be `NULL`.
  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.

`b`

  Type: `void*`

  No description available.

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

`c`

  Type: `void*`

  No description available.

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

`d`

  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`.