int mh_sync_mailbox (CONTEXT *, int *);
int mh_check_mailbox (CONTEXT *, int *);
int mh_buffy (const char *);
int mh_check_empty (const char *);
int mh_sync_mailbox (CONTEXT *, int *);
int mh_check_mailbox (CONTEXT *, int *);
int mh_buffy (const char *);
int mh_check_empty (const char *);