ssize_t roaming_write(int, const void *, size_t, int *);
ssize_t roaming_read(int, void *, size_t, int *);
size_t roaming_atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
u_int64_t get_recv_bytes(void);
u_int64_t get_sent_bytes(void);
void roam_set_bytes(u_int64_t, u_int64_t);
ssize_t roaming_write(int, const void *, size_t, int *);
ssize_t roaming_read(int, void *, size_t, int *);
size_t roaming_atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
u_int64_t get_recv_bytes(void);
u_int64_t get_sent_bytes(void);
void roam_set_bytes(u_int64_t, u_int64_t);