erc-with-all-buffers-of-server

erc-with-all-buffers-of-server is a Lisp macro in `erc.el'.

(erc-with-all-buffers-of-server PROCESS PRED &rest FORMS)

Execute FORMS in all buffers which have same process as this server.
FORMS will be evaluated in all buffers having the process PROCESS and
where PRED matches or in all buffers of the server process if PRED is
nil.