krb5_get_nonexp_tkts
retval = krb5_get_nonexp_tkts(context, ccs, &ccs_creds_arr);
retval = krb5_get_nonexp_tkts(context, cc, &cc_creds_arr);
retval = krb5_get_nonexp_tkts(context, cc, &creds_list);
retval = krb5_get_nonexp_tkts(context, cc_def, &cc_def_creds_arr);
extern krb5_error_code krb5_get_nonexp_tkts