diff -r c45cc2208ed4 cc-langs.el
--- a/cc-langs.el	Wed Jun 21 14:58:04 2023 +0000
+++ b/cc-langs.el	Wed Jun 21 19:14:40 2023 +0000
@@ -819,8 +819,9 @@
 keyword.  It's unspecified how far it matches.  Does not contain a \\|
 operator at the top level."
   t    (concat "[" c-alpha "_]")
+  (c c++) (concat "[" c-alpha "_$]")
   java (concat "[" c-alpha "_@]")
-  objc (concat "[" c-alpha "_@]")
+  objc (concat "[" c-alpha "_@$]")
   pike (concat "[" c-alpha "_`]"))
 (c-lang-defvar c-symbol-start (c-lang-const c-symbol-start))
 
@@ -844,9 +845,10 @@
   t    (concat (c-lang-const c-symbol-start)
 	       "[" (c-lang-const c-symbol-chars) "]\\{,1000\\}")
   pike (concat
-	;; Use the value from C here since the operator backquote is
+	;; Use the value from AWK here since the operator backquote is
 	;; covered by the other alternative.
-	(c-lang-const c-symbol-key c)
+	(c-lang-const c-symbol-key awk
+		      )
 	"\\|"
 	(c-make-keywords-re nil
 	  (c-lang-const c-overloadable-operators))))