int mh_check_mailbox (CONTEXT *, int *);
int mh_buffy (const char *);
int mh_commit_message (CONTEXT *, MESSAGE *, HEADER *);
-int mh_open_new_message (MESSAGE *, CONTEXT *, HEADER *);
int maildir_check_mailbox (CONTEXT *, int *);
int maildir_commit_message (CONTEXT *, MESSAGE *, HEADER *);
-int maildir_open_new_message (MESSAGE *, CONTEXT *, HEADER *);
FILE *maildir_open_find_message (const char *, const char *);
mx_t* maildir_reg_mx (void);