extern char *get_header(struct client_state *csp);
extern char *get_header_value(const struct list *header_list, const char *header_name);
extern jb_err sed(const struct parsers pats[], const add_header_func_ptr more_headers[], struct client_state *csp);
extern char *get_header(struct client_state *csp);
extern char *get_header_value(const struct list *header_list, const char *header_name);
extern jb_err sed(const struct parsers pats[], const add_header_func_ptr more_headers[], struct client_state *csp);