Remove d- and v-flags

d-flag: There's no need for that, use the &-operator or fork+exec in a
        non-shell-context. In the latter case you get the PID for free.
v-flag: If you want to find out which version of a package is installed,
        consult your package manager. That's his job.

config.mk

@@ -11,7 +11,7 @@ X11INC = /usr/X11R6/include
 X11LIB = /usr/X11R6/lib
 
 # flags
-CPPFLAGS = -I$(X11INC) -DVERSION=\"$(VERSION)\" -D_DEFAULT_SOURCE
+CPPFLAGS = -I$(X11INC) -D_DEFAULT_SOURCE
 CFLAGS   = -std=c99 -pedantic -Wall -Wextra -Wno-unused -Os
 LDFLAGS  = -L$(X11LIB) -s
 LDLIBS   = -lX11

slstatus.1

@@ -6,14 +6,7 @@
 .Nd suckless status monitor
 .Sh SYNOPSIS
 .Nm
-.Oo
-.Op Fl v
-|
-.Oo
-.Op Fl d
 .Op Fl o | n
-.Oc
-.Oc
 .Sh DESCRIPTION
 .Nm
 is a suckless status monitor for window managers that use WM_NAME (e.g. dwm) or
@@ -23,14 +16,10 @@ By default,
 outputs to WM_NAME.
 .Sh OPTIONS
 .Bl -tag -width Ds
-.It Fl d
-Daemonize.
 .It Fl n
 Write to stdout once and exit.
 .It Fl o
 Write to stdout continuously.
-.It Fl v
-Write version information to stdout and exit.
 .El
 .Sh CUSTOMIZATION
 .Nm

slstatus.c

@@ -75,7 +75,7 @@ static void usage(void);
 char *argv0;
 static unsigned short int delay = 0;
 static unsigned short int done;
-static unsigned short int dflag, oflag, nflag;
+static unsigned short int oflag, nflag;
 static Display *dpy;
 
 #include "config.h"
@@ -840,7 +840,7 @@ sighandler(const int signo)
 static void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-d] [-o] [-n] [-v] [-h]\n", argv0);
+	fprintf(stderr, "usage: %s [-o | -n]\n", argv0);
 	exit(1);
 }
 
@@ -855,28 +855,19 @@ main(int argc, char *argv[])
 	size_t len;
 
 	ARGBEGIN {
-		case 'd':
-			dflag = 1;
-			break;
 		case 'o':
 			oflag = 1;
 			break;
 		case 'n':
 			nflag = 1;
 			break;
-		case 'v':
-			printf("slstatus-"VERSION"\n");
-			return 0;
 		default:
 			usage();
 	} ARGEND
 
-	if ((dflag && oflag) || (dflag && nflag) || (oflag && nflag)) {
+	if (oflag && nflag) {
 		usage();
 	}
-	if (dflag && daemon(1, 1) < 0) {
-		err(1, "daemon");
-	}
 
 	memset(&act, 0, sizeof(act));
 	act.sa_handler = sighandler;