int ustcomm_send_reply(struct ustcomm_server *server, char *msg, struct ustcomm_source *src);
int nth_token_is(char *str, char *token, int tok_no);
int ustcomm_send_reply(struct ustcomm_server *server, char *msg, struct ustcomm_source *src);
int nth_token_is(char *str, char *token, int tok_no);