struct mISDNport *mISDNport_open(int port, int ptp, int force_nt, int l2hold, struct interface *interface);
void mISDNport_close_all(void);
void mISDNport_close(struct mISDNport *mISDNport);
struct mISDNport *mISDNport_open(int port, int ptp, int force_nt, int l2hold, struct interface *interface);
void mISDNport_close_all(void);
void mISDNport_close(struct mISDNport *mISDNport);