Merge branch 'master' into NetHack-3.7

include/decl.h

@@ -470,6 +470,17 @@ struct early_opt {
     boolean valallowed;
 };
 
+struct ptr_array {
+    size_t  length;
+    size_t  max_length;
+    void ** elements;
+};
+typedef struct ptr_array ptr_array_t;
+
+/* logging verbosity levels */
+#define LOG_MINIMAL 0
+#define LOG_VERBOSE 1
+
 /* special key functions */
 enum nh_keyfunc {
     NHKF_ESC = 0,