-/* tag.c */
-extern void compileregexps(void); /* initialize regexps of rules defined in config.h */
-extern void settags(Client *c, Client *trans); /* sets tags of c */
-extern void tag(Arg *arg); /* tags c with arg's index */
-extern void toggletag(Arg *arg); /* toggles c tags with arg's index */
-
-/* tile.c */
-extern void dotile(void); /* arranges all windows tiled */
-extern void incnmaster(Arg *arg); /* increments nmaster with arg's index value */
-extern void resizemaster(Arg *arg); /* resizes the master percent with arg's index value */
-extern void zoom(Arg *arg); /* zooms the focused client to master area, arg is ignored */
-
-/* util.c */
-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 */