int mbox_strict_cmp_headers (const HEADER *, const HEADER *);
int mbox_reopen_mailbox (CONTEXT *, int *);
int mbox_open_new_message (MESSAGE * msg, CONTEXT * dest, HEADER * hdr);
int mbox_strict_cmp_headers (const HEADER *, const HEADER *);
int mbox_reopen_mailbox (CONTEXT *, int *);
int mbox_open_new_message (MESSAGE * msg, CONTEXT * dest, HEADER * hdr);