1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/c-mode.el b/lisp/progmodes/c-mode.el
index 0e753bbece0..395d6416824 100644
--- a/lisp/progmodes/c-mode.el
+++ b/lisp/progmodes/c-mode.el
@@ -544,7 +544,7 @@ Returns nil if line starts inside a string, t if in a comment."
                           ;; Recognize the DEFUN macro in Emacs.
                           (if (save-excursion
                                 ;; Move down to the (putative) argnames line.
-                                (while (not (looking-at " *[({}]"))
+                                (while (not (looking-at " *[({}#/]"))
                                   (forward-line 1))
                                 ;; Go back to the DEFUN, if it is one.
                                 (condition-case nil