char *getheader(struct hthead *head, char *name);
void headpreheader(struct hthead *head, const char *name, const char *val);
void headappheader(struct hthead *head, const char *name, const char *val);
-int sendreq(int sock, struct hthead *req);
+int sendreq(int sock, struct hthead *req, int fd);
int recvreq(int sock, struct hthead **reqp);
void replrest(struct hthead *head, char *rest);