-static int e7000pc_open (serial_t scb, const char *name);
-static void e7000pc_raw (serial_t scb);
-static int e7000pc_readchar (serial_t scb, int timeout);
-static int e7000pc_setbaudrate (serial_t scb, int rate);
-static int e7000pc_write (serial_t scb, const char *str, int len);
-static void e7000pc_close (serial_t scb);
-static serial_ttystate e7000pc_get_tty_state (serial_t scb);
-static int e7000pc_set_tty_state (serial_t scb, serial_ttystate state);
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+
+static int e7000pc_open (struct serial *scb, const char *name);
+static void e7000pc_raw (struct serial *scb);
+static int e7000pc_readchar (struct serial *scb, int timeout);
+static int e7000pc_setbaudrate (struct serial *scb, int rate);
+static int e7000pc_write (struct serial *scb, const char *str, int len);
+static void e7000pc_close (struct serial *scb);
+static serial_ttystate e7000pc_get_tty_state (struct serial *scb);
+static int e7000pc_set_tty_state (struct serial *scb, serial_ttystate state);