docs: document attach in INTERNALS.md

The new field in the Curl_handler struct still lacks documentation. This
adds it it from the information extracted from lib/urldata.h:797

Closes #7091
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Emil Engler 2021-05-18 18:05:54 +02:00 committed by Daniel Stenberg
parent f6b325a509
commit 158d26e4fc
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@ -1024,6 +1024,8 @@ for older and later versions as things don't change drastically that often.
`->readwrite` gets called during transfer to allow the protocol to do extra
reads/writes
`->attach` attaches a transfer to the connection.
`->defport` is the default report TCP or UDP port this protocol uses
`->protocol` is one or more bits in the `CURLPROTO_*` set. The SSL versions