extern void inp_decr_sndbytes_unsent(struct socket *, int32_t);
extern int32_t inp_get_sndbytes_allunsent(struct socket *, u_int32_t);
extern void inp_decr_sndbytes_allunsent(struct socket *, u_int32_t);
extern void inp_decr_sndbytes_unsent(struct socket *, int32_t);
extern int32_t inp_get_sndbytes_allunsent(struct socket *, u_int32_t);
extern void inp_decr_sndbytes_allunsent(struct socket *, u_int32_t);