int mutt_cmp_header (const HEADER*, const HEADER*);
-time_t mutt_decrease_mtime (const char *, struct stat *);
int is_from (const char *, char *, ssize_t, time_t *);
const char *mutt_charset_hook (const char *);
void mutt_edit_content_type (HEADER *, BODY *, FILE *);
void mutt_edit_headers (const char *, const char *, HEADER *, char *, ssize_t);
void mutt_enter_command (void);
-void mutt_expand_file_fmt (char *, ssize_t, const char *, const char *);
void mutt_fix_reply_recipients (ENVELOPE * env);
void mutt_folder_hook (char *);
void mutt_forward_intro (FILE * fp, HEADER * cur);