20 lines
629 B
Racket
20 lines
629 B
Racket
#lang scheme/signature
|
|
|
|
(struct communicator (sender receiver server port))
|
|
connect-to-server connect-to-server* disconnect-from-server
|
|
authenticate-user open-news-group
|
|
head-of-message body-of-message
|
|
newnews-since generic-message-command
|
|
make-desired-header extract-desired-headers
|
|
|
|
(struct nntp ())
|
|
(struct unexpected-response (code text))
|
|
(struct bad-status-line (line))
|
|
(struct premature-close (communicator))
|
|
(struct bad-newsgroup-line (line))
|
|
(struct non-existent-group (group))
|
|
(struct article-not-in-group (article))
|
|
(struct no-group-selected ())
|
|
(struct article-not-found (article))
|
|
(struct authentication-rejected ())
|