| |int bx, by, bw, bh, bmw; /* bar geometry, bar mode label width */
extern int master, screen, sx, sy, sw, sh; /* screen geometry, master dimension*/
extern unsigned int ntags, numlockmask; /* number of tags, dynamic lock mask */
extern void (*handler[LASTEvent])(XEvent *); /* event handler */
extern void (*arrange)(Arg *); /* arrange function, indicates mode */
extern Atom wmatom[WMLast], netatom[NetLast];
extern Bool running, issel, *seltag; /* seltag is array of Bool */
extern Bool isvertical; /* stack direction */
extern Client *clients, *sel, *stack; /* global client list and stack */
extern Cursor cursor[CurLast];
extern DC dc; /* global draw context */
extern Display *dpy;
extern StackPos stackpos;
extern Window root, barwin;
/* client.c */
extern void ban(Client *c); /* ban c from screen */
extern void configure(Client *c); /* send synthetic configure event */
extern void focus(Client *c); /* focus c, c may be NULL */
extern Client *getclient(Window w); /* return client of w */
extern Client *getctitle(Window w); /* return client of title window */
extern void gravitate(Client *c, Bool invert); /* gravitate c */
extern void killclient(Arg *arg); /* kill c nicely */
extern void manage(Window w, XWindowAttributes *wa); /* manage new client */
extern void resize(Client *c, Bool sizehints, Corner sticky); /* resize c*/
extern void resizetitle(Client *c); /* resizes c->twin correctly */
extern void updatesize(Client *c); /* update the size structs of c */
extern void updatetitle(Client *c); /* update the name of c */
extern void unmanage(Client *c); /* destroy c */
/* draw.c */
extern void drawall(void); /* draw all visible client titles and the bar */
extern void drawstatus(void); /* draw the bar */
extern void drawtitle(Client *c); /* draw title of c */
extern unsigned long getcolor(const char *colstr); /* return color of colstr */
extern void setfont(const char *fontstr); /* set the font for DC */
extern unsigned int textw(const char *text); /* return the width of text in px*/
/* event.c */
extern void grabkeys(void); /* grab all keys defined in config.h */
extern void procevent(void); /* process pending X events */
/* main.c */
extern int getproto(Window w); /* return protocol mask of WMProtocols property of w */
extern void quit(Arg *arg); /* quit dwm nicely */
extern void sendevent(Window w, Atom a, long value); /* send synthetic event to w */
extern int xerror(Display *dsply, XErrorEvent *ee); /* dwm's X error handler */
/* tag.c */
extern void initrregs(void); /* initialize regexps of rules defined in config.h */
extern Client *getnext(Client *c); /* returns next visible client */
extern Client *getprev(Client *c); /* returns previous visible client */
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 */
/* 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 *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 dimension with arg's index value */
extern void restack(void); /* restores z layers of all clients */
extern void togglestackdir(Arg *arg); /* toggles stack direction */
extern void togglestackpos(Arg *arg); /* toggles stack position */
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 updatemaster(void); /* updates master dimension */
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 area, arg is ignored */
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