int mutt_thread_set_flag (HEADER *, int, int, int);
int mutt_user_is_recipient (HEADER *);
void mutt_update_num_postponed (void);
-int mutt_wait_filter (pid_t);
int mutt_which_case (const char *);
int mutt_write_fcc (const char *path, HEADER * hdr, const char *msgid, int,
char *);
int mh_valid_message (const char *);
-pid_t mutt_create_filter (const char *, FILE **, FILE **, FILE **);
-pid_t mutt_create_filter_fd (const char *, FILE **, FILE **, FILE **, int,
- int, int);
-
/* base64.c */
void mutt_to_base64 (unsigned char *, const unsigned char *, ssize_t, ssize_t);
int mutt_from_base64 (char *, const char *);