int mutt_save_attachment (FILE *, BODY *, char *, int, HEADER *);
int mutt_pipe_attachment (FILE *, BODY *, const char *, char *);
int mutt_view_attachment (FILE *, BODY *, int, HEADER *, ATTACHPTR **, short);
int mutt_save_attachment (FILE *, BODY *, char *, int, HEADER *);
int mutt_pipe_attachment (FILE *, BODY *, const char *, char *);
int mutt_view_attachment (FILE *, BODY *, int, HEADER *, ATTACHPTR **, short);