UI
data[1] = UI;
if (buffer[0] == ALL_STATIONS && buffer[1] == UI)
#define mpz_cmp_ui(Z,UI) \
(__builtin_constant_p (UI) && (UI) == 0 \
? mpz_sgn (Z) : mpz_cmp_ui (Z,UI))
#define mpz_cmp_si(Z,UI) \
(__builtin_constant_p (UI) && (UI) == 0 ? mpz_sgn (Z) \
: __builtin_constant_p (UI) && (UI) > 0 ? mpz_cmp_ui (Z,UI) \
: mpz_cmp_si (Z,UI))