Function krb5_sys::krb5_tkt_creds_init

pub unsafe extern fn krb5_tkt_creds_init(context: krb5_context,
                                         ccache: krb5_ccache,
                                         creds: *mut krb5_creds,
                                         options: krb5_flags,
                                         ctx: krb5_tkt_creds_context)
                                         -> krb5_error_code