Key bindings

[SteveFKI]

I am trying to modify my .emacs file, so the HOME key behaves as follows;

HOME = Go to start of line
C-HOME = Go to start of buffer

My .emacs file looks like this

(custom-set-variables
   ;; custom-set-variables was added by Custom -- don't edit or cut/paste
it!
   ;; Your init file should contain only one such instance.
   '(setq debug-on-error t)
   '(case-fold-search t)
   '(current-language-environment "Latin-9")
   '(default-input-method "latin-9-prefix")
   '(hungry-delete t)
   ;(setq delete-key-deletes-forward t)
   '(global-font-lock-mode t nil (font-lock)))
        (setq indent-tabs-mode-nil)
        (mouse-wheel-mode t)
(custom-set-faces
  ;; custom-set-faces was added by Custom -- don't edit or cut/paste it!
  ;; Your init file should contain only one such instance.
 )

;; My modifications

   (setq delete-key-deletes-forward t)
        
   ;; C-Language customising
   (setq standard-indent 3)

   ;; My C Style
   (defconst myCStyle
     '(
       (c-offsets-alist . ((case-label . 3)
                           (substatement-open . 0)
                           (defun-block-intro . 3)
                           (statement-case-intro . 3)
                           (statement-block-intro . 3)
                           (topmost-intro . -1)
                           ))

     )
   "My C Programming Style")

   (defun myCModeCommonHook ()
      (c-add-style "personal" myCStyle t)
   )

   ;; Hook my C Style to the standard one
   (add-hook 'c-mode-common-hook 'myCModeCommonHook)

  ;; (c-add-style "myCStyle" '("bsd" (c-basic-offset . 3)))
  ;; (add-hook 'c-mode-common-hook '(lambda () (c-set-style "myCStyle")))

   ;; Key bindings
   ;; C-z is Undo
   (define-key global-map "\C-z" 'undo)
   ;; F5 - goto line
   (define-key global-map [f5] 'goto-line)
   ;; F6 - Replace String
   (define-key global-map [f6] 'replace-string)
   ;; F7 - Search forward for ^L (function breaks)
   (define-key global-map [f7] "\C-e\C-s\C-q\C-l")
   ;; C-F7 - Search backward for ^L (function breaks)
   (define-key global-map [C-f7] "\C-a\C-r\C-q\C-l")


;;   (define-key global-map [home] 'beginning-of-line)
   (global-set-key [home] 'beginning-of-line)
   (define-key global-map [end] 'end-of-line)
   (define-key global-map [C-home] 'beginning-of-buffer)
   (define-key global-map [C-end] 'end-of-buffer)


I think this should work, and as you will see I have tried two ways to map
the HOME key. However, every time I press HOME it opens Search in the
mini-buffer (as if it is mapped to C-s). The END key works fine.

It seems to me then that something else is mapping the key, and overriding
my mapping, but I can't see what.

Can anyone offer any guidance?

Thanks
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