-extern int fio_net_send_cmd(int, uint16_t, const void *, off_t);
-extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial);
+extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
+extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag);
+extern void fio_server_set_arg(const char *);
+extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *);