### Function

# GLib List index

#### Declaration

    gint
    g_list_index (
      GList* list,
      gconstpointer data
    )

#### Description

Gets the position of the element containing the given data (starting from 0).

This function is not directly available to language bindings.

#### Parameters

`list`

  Type: A list of `gpointer`

  A `GList`, this must point to the top of the list.

  The data is owned by the caller of the function.

`data`

  Type: `gconstpointer`

  The data to find.

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

#### Return value

Type: `gint`

The index of the element containing the data, or -1 if the data is not found.