Manipulate an email's header.
| Function | Description | Links |
|---|---|---|
| label_message() | Add an X-Label: field | |
| label_ref_dec() | Decrease the refcount of a label | |
| label_ref_inc() | Increase the refcount of a label | |
| mutt_edit_headers() | Let the user edit the message header and body | |
| mutt_label_hash_add() | Add a message's labels to the Hash Table | |
| mutt_label_hash_remove() | Remove a message's labels from the Hash Table | |
| mutt_label_message() | Let the user label a message | |
| mutt_make_label_hash() | Create a Hash Table to store the labels |
