ADDRESS;
void rfc822_free_address (ADDRESS **);
-void rfc822_qualify (ADDRESS *, const char *);
ADDRESS *rfc822_parse_adrlist (ADDRESS *, const char *s);
-ADDRESS *rfc822_cpy_adr (ADDRESS *addr);
-ADDRESS *rfc822_cpy_adr_real (ADDRESS *addr);
-ADDRESS *rfc822_append (ADDRESS **a, ADDRESS *b);
-int rfc822_write_address (char *, size_t, ADDRESS *, int);
-void rfc822_write_address_single (char *, size_t, ADDRESS *, int);
-void rfc822_free_address (ADDRESS **addr);
-void rfc822_cat (char *, size_t, const char *, const char *);
-int rfc822_valid_msgid (const char *msgid);
extern int RFC822Error;
extern const char *RFC822Errors[];