### Method

# Gio Credentials get_unix_user

since: 2.26

#### Declaration

    uid_t
    g_credentials_get_unix_user (
      GCredentials* credentials
      GError** error
    )

#### Description

Tries to get the UNIX user identifier from `credentials`. This method is only available on UNIX platforms.

This operation can fail if `GCredentials` is not supported on the OS or if the native credentials type does not contain information about the UNIX user.

Available since: 2.26

#### Return value

Type: `uid_t`

The UNIX user identifier or `-1` if `error` is set.