+void
+layoutmenu(const Arg *arg) {
+ FILE *p;
+ char c[3], *s;
+ int i;
+
+ if (!(p = popen(layoutmenu_cmd, "r")))
+ return;
+ s = fgets(c, sizeof(c), p);
+ pclose(p);
+
+ if (!s || *s == '\0' || c[0] == '\0')
+ return;
+
+ i = atoi(c);
+ setlayout(&((Arg) { .v = &layouts[i] }));
+}
+