-int comprobe(), comattach(), comintr(), comstart(), comparam();
+static int commctl(int /*dev_t*/, int, int);
+static int comprobe();
+static int comattach();
+void comintr(int);
+static void comstart(struct tty *);
+static int comparam(struct tty *, struct termios *);
+
+static void comeint(int, int, int);
+static void commint(int, int);
+static void cominit(int, int);