struct env_var *(*get_process_vars)(struct client *cl, struct path_info *pi);
void (*client_error)(struct client *cl, int code, const char *summary, const char *fmt, ...);
struct env_var *(*get_process_vars)(struct client *cl, struct path_info *pi);
void (*client_error)(struct client *cl, int code, const char *summary, const char *fmt, ...);