Variable: c-decl-start-re
c-decl-start-re is a buffer-local variable defined in cc-engine.el.gz.
Documentation
Regexp matching the start of any declaration, cast or label.
It's used on the token after the one c-decl-prefix-re matched. This
regexp should not try to match those constructs accurately as it's
only used as a sieve to avoid spending more time checking other
constructs.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/cc-engine.el.gz
(c-declare-lang-variables)