Index: uspace/lib/c/include/l18n/langs.h
===================================================================
--- uspace/lib/c/include/l18n/langs.h	(revision 0aa70f423d0b7162d509dad82025424772c65808)
+++ uspace/lib/c/include/l18n/langs.h	(revision 3cc55b47a003c937d650faaaba94e981d905fd3f)
@@ -54,5 +54,6 @@
 	L18N_WIN_LOCALE_SPANISH_TRADITIONAL = 0x040A,
 	/* ... */
-	L18N_WIN_LOCALE_ZULU = 0x0435
+	L18N_WIN_LOCALE_ZULU = 0x0435,
+	L18N_WIN_LOCALE_MAX = 0xFFFF
 } l18_win_locales_t;
 
Index: uspace/lib/c/include/macros.h
===================================================================
--- uspace/lib/c/include/macros.h	(revision 0aa70f423d0b7162d509dad82025424772c65808)
+++ uspace/lib/c/include/macros.h	(revision 3cc55b47a003c937d650faaaba94e981d905fd3f)
@@ -40,4 +40,5 @@
 #define abs(a)     ((a) >= 0 ? (a) : -(a))
 
+#define ARRAY_SIZE(array)   (sizeof(array) / sizeof(array[0]))
 
 #define KiB2SIZE(kb)  ((kb) << 10)