int mbox_close_mailbox (CONTEXT *);
int mbox_lock_mailbox (CONTEXT *, int, int);
void mbox_unlock_mailbox (CONTEXT *);
int mbox_close_mailbox (CONTEXT *);
int mbox_lock_mailbox (CONTEXT *, int, int);
void mbox_unlock_mailbox (CONTEXT *);
int mbox_is_magic (const char*, struct stat*);
int mbox_strict_cmp_headers (const HEADER *, const HEADER *);
int mbox_is_magic (const char*, struct stat*);
int mbox_strict_cmp_headers (const HEADER *, const HEADER *);