extern jb_err add_to_iob(struct iob *iob, const size_t buffer_limit, char *src, long n);
extern void clear_iob(struct iob *iob);
extern jb_err decompress_iob(struct client_state *csp);
extern char *get_header(struct iob *iob);
extern char *get_header_value(const struct list *header_list, const char *header_name);
extern jb_err sed(struct client_state *csp, int filter_server_headers);
extern jb_err add_to_iob(struct iob *iob, const size_t buffer_limit, char *src, long n);
extern void clear_iob(struct iob *iob);
extern jb_err decompress_iob(struct client_state *csp);
extern char *get_header(struct iob *iob);
extern char *get_header_value(const struct list *header_list, const char *header_name);
extern jb_err sed(struct client_state *csp, int filter_server_headers);