-extern void *emallocz(unsigned int size); /* allocates zero-initialized memory, exits on error */
-extern void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */
-extern void *erealloc(void *ptr, unsigned int size); /* reallocates memory, exits on error */
-extern void spawn(Arg *arg); /* forks a new subprocess with to arg's cmd */
-
-/* view.c */
-extern void detach(Client *c); /* detaches c from global client list */
-extern void dofloat(Arg *arg); /* arranges all windows floating, arg is ignored */
-extern void dotile(Arg *arg); /* arranges all windows, arg is ignored */
-extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */
-extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */
-extern Bool isvisible(Client *c); /* returns True if client is visible */
-extern void resizecol(Arg *arg); /* resizes the master width with arg's index value */
-extern void restack(void); /* restores z layers of all clients */
-extern void togglemode(Arg *arg); /* toggles global arrange function (dotile/dofloat) */
-extern void toggleview(Arg *arg); /* toggles the tag with arg's index (in)visible */
-extern void view(Arg *arg); /* views the tag with arg's index */
-extern void viewall(Arg *arg); /* views all tags, arg is ignored */
-extern void zoom(Arg *arg); /* zooms the focused client to master column, arg is ignored */
+void *emallocz(unsigned int size); /* allocates zero-initialized memory, exits on error */
+void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */
+void spawn(const char *arg); /* forks a new subprocess with arg's cmd */