+ssize_t mutt_read_rfc822_line(FILE*, char**, ssize_t*);
+LIST *mutt_parse_references(char *, int);
+int mutt_check_encoding(const char *);
+int mutt_check_mime_type(const char *);
+void mutt_parse_content_type(char *, BODY *);
+BODY *mutt_read_mime_header (FILE *, int);
+void mutt_parse_part(FILE *, BODY *);
+BODY *mutt_parse_messageRFC822(FILE *, BODY *);
+BODY *mutt_parse_multipart(FILE *, const char *, off_t, int);
+LIST **mutt_parse_rfc822_line(ENVELOPE *, HEADER *, char *line, char *p,
+ short weed, short do_2047, LIST **);
+
+ENVELOPE *mutt_read_rfc822_header(FILE *, HEADER *, short, short);
+
+/*** addresses ***/
+
+address_t *mutt_parse_adrlist (address_t *, const char *);
+address_t *address_dup(address_t *addr);
+address_t *address_list_dup(address_t *addr);