ucdecomp
if (ucdecomp(0x1d5, &lo, &dec)) {
if (mode ? uckdecomp(in[j], &num, &decomp) : ucdecomp(in[j], &num, &decomp)) {
int ucdecomp(krb5_ui_4 code, krb5_ui_4 *num, krb5_ui_4 **decomp);