Function: count
count is a for cl-count, defined in cl-seq.el.gz.
This function is obsolete since 27.1; use cl-count instead.
Signature
(count ITEM SEQ [KEYWORD VALUE]...)
Documentation
Count the number of occurrences of ITEM in SEQ.
Keywords supported: :test :test-not :key :start :end
Probably introduced at or before Emacs version 1.1.