Allows attach below to be toggled

config.def.h

@@ -35,7 +35,7 @@ static const Rule rules[] = {
 static const float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
 static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
-static const int attachbelow = 1;    /* 1 means attach after the currently active window */
+static int attachbelow = 1;    /* 1 means attach after the currently active window */
 
 static const Layout layouts[] = {
 	/* symbol     arrange function */

dwm.c

@@ -148,6 +148,7 @@ static void arrange(Monitor *m);
 static void arrangemon(Monitor *m);
 static void attach(Client *c);
 static void attachBelow(Client *c);
+static void toggleAttachBelow();
 static void attachstack(Client *c);
 static void buttonpress(XEvent *e);
 static void checkotherwm(void);
@@ -422,6 +423,11 @@ attachBelow(Client *c)
 
 }
 
+void toggleAttachBelow()
+{
+	attachbelow = !attachbelow;
+}
+
 void
 attachstack(Client *c)
 {