#ifndef HFIELD_H

#define HFIELD_H

extern unsigned int hfield_skipname();

extern int hfield_known();

extern int hfield_valid();

#define H_SENDER 1

#define H_FROM 2

#define H_REPLYTO 3

#define H_TO 4

#define H_CC 5

#define H_BCC 6

#define H_DATE 7

#define H_MESSAGEID 8

#define H_SUBJECT 9

#define H_R_SENDER 10

#define H_R_FROM 11

#define H_R_REPLYTO 12

#define H_R_TO 13

#define H_R_CC 14

#define H_R_BCC 15

#define H_R_DATE 16

#define H_R_MESSAGEID 17

#define H_RETURNRECEIPTTO 18

#define H_ERRORSTO 19

#define H_APPARENTLYTO 20

#define H_RECEIVED 21

#define H_RETURNPATH 22

#define H_DELIVEREDTO 23

#define H_CONTENTLENGTH 24

#define H_CONTENTTYPE 25

#define H_CONTENTTRANSFERENCODING 26

#define H_NOTICEREQUESTEDUPONDELIVERYTO 27

#define H_MAILFOLLOWUPTO 28

#define H_NUM 29

#endif