- void set_tone(struct port_list *portlist, char *tone);
- void out_setup(void);
- struct mISDNport *hunt_port(char *ifname, int *channel);
- char *apply_callerid_display(char *id, int itype, int ntype, int present, int screen, char *extension, char *name);
+ void set_tone(struct port_list *portlist, const char *tone);
+ void out_setup(int cfnr);
+ char *apply_callerid_display(const char *id, int itype, int ntype, int present, int screen, const char *extension, const char *name);