Variable: c-backspace-function
c-backspace-function is a customizable variable defined in
cc-vars.el.gz.
Value
backward-delete-char-untabify
Documentation
Function called by c-electric-backspace when deleting backwards.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/cc-vars.el.gz
(defcustom c-backspace-function 'backward-delete-char-untabify
"Function called by `c-electric-backspace' when deleting backwards."
:type 'function
:group 'c)