static void puts(const char *s, int flags, struct tty *ttyp);
static void printn(u_long n, int b, int flags, struct tty *ttyp, int zf, int fld_size);
static void puts(const char *s, int flags, struct tty *ttyp);
static void printn(u_long n, int b, int flags, struct tty *ttyp, int zf, int fld_size);