Function krb5_sys::krb5_get_credentials_renew

pub unsafe extern fn krb5_get_credentials_renew(context: krb5_context,
                                                options: krb5_flags,
                                                ccache: krb5_ccache,
                                                in_creds: *mut krb5_creds,
                                                out_creds: *mut *mut krb5_creds)
                                                -> krb5_error_code