GLib.environ_unsetenv
Description: Reference for GLib.environ_unsetenv

### Function

# GLibenviron_unsetenv

since: 2.32

#### Declaration [src]

    gchar**
    g_environ_unsetenv (
      gchar** envp,
      const gchar* variable
    )

#### Description [src]

Removes the environment variable `variable` from the provided environment `envp`.

Available since: 2.32

#### Parameters

`envp`

  Type: An array of `filename`

      an environment list that can be freed using `g_strfreev()` (e.g., as
      returned from g_get_environ()), or `NULL` for an empty environment list.

  The argument can be `NULL`.
  The array must be `NULL`-terminated.
  The called function takes ownership of the data, and is responsible for freeing it.
  Each element is a platform-native string, using the preferred OS encoding on Unix and UTF-8 on Windows..

`variable`

  Type: `const gchar*`

  The environment variable to remove, must not contain ‘=’.

  The data is owned by the caller of the function.
  The value is a platform-native string, using the preferred OS encoding on Unix and UTF-8 on Windows.

#### Return value

Type: An array of `filename`

    the updated environment list. Free it using g_strfreev().

The array is `NULL`-terminated.
The caller of the function takes ownership of the data, and is responsible for freeing it.
Each element is a platform-native string, using the preferred OS encoding on Unix and UTF-8 on Windows..