-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 spawn(Arg *arg); /* forks a new subprocess with to arg's cmd */
-
-/* view.c */
-extern void attach(Client *c); /* attaches c to global client list */
-extern void attachstack(Client *c); /* attaches client to stack */
-extern void dofloat(void); /* arranges all windows floating */
-extern void detach(Client *c); /* detaches c from global client list */
-extern void detachstack(Client *c); /* detaches client from stack */
-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 Client *getclient(Window w); /* return client of w */
-extern Bool isvisible(Client *c); /* returns True if client is visible */
-extern Client *nextmanaged(Client *c); /* returns managed successor of c */
-extern void restack(void); /* restores z layers of all clients */
-extern void togglefloat(Arg *arg); /* toggles focusesd client between floating/non-floating state */
-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 */
+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 */