int rfc1524_mailcap_lookup (BODY *, char *, rfc1524_entry *, int);
int mutt_rename_file (char *, char *);
int _mutt_rename_file (char *, char *, int);
int rfc1524_mailcap_lookup (BODY *, char *, rfc1524_entry *, int);
int mutt_rename_file (char *, char *);
int _mutt_rename_file (char *, char *, int);