Give layout enum a name: layout_t

src/commands.c

@@ -1547,7 +1547,7 @@ void cmd_layout(I3_CMD, char *layout_str) {
     if (strcmp(layout_str, "stacking") == 0)
         layout_str = "stacked";
     owindow *current;
-    int layout;
+    layout_t layout;
     /* default is a special case which will be handled in con_set_layout(). */
     if (strcmp(layout_str, "default") == 0)
         layout = L_DEFAULT;

src/con.c

@@ -1209,7 +1209,7 @@ void con_set_border_style(Con *con, int border_style, int border_width) {
  * new split container before).
  *
  */
-void con_set_layout(Con *con, int layout) {
+void con_set_layout(Con *con, layout_t layout) {
     DLOG("con_set_layout(%p, %d), con->type = %d\n",
          con, layout, con->type);
 

src/handlers.c

@@ -158,7 +158,7 @@ static void handle_enter_notify(xcb_enter_notify_event_t *event) {
     }
 
     /* see if the user entered the window on a certain window decoration */
-    int layout = (enter_child ? con->parent->layout : con->layout);
+    layout_t layout = (enter_child ? con->parent->layout : con->layout);
     if (layout == L_DEFAULT) {
         Con *child;
         TAILQ_FOREACH(child, &(con->nodes_head), nodes)