extern void invert_address(uschar *, uschar *);
extern int ip_bind(int, int, uschar *, int);
extern int ip_connect(int, int, uschar *, int, int);
extern void invert_address(uschar *, uschar *);
extern int ip_bind(int, int, uschar *, int);
extern int ip_connect(int, int, uschar *, int, int);