int imap_mailbox_rename (const char *mailbox);
/* message.c */
-int imap_append_message (CONTEXT * ctx, MESSAGE * msg);
int imap_copy_messages (CONTEXT * ctx, HEADER * h, char *dest, int delete);
-int imap_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno);
/* socket.c */
void imap_logout_all (void);