Index: uspace/lib/libc/include/sys/types.h
===================================================================
--- uspace/lib/libc/include/sys/types.h	(revision 05641a9edbf1f7a46db1517a8e99aa0ffa7bdd5d)
+++ uspace/lib/libc/include/sys/types.h	(revision 9be1d58c0982bff8d79f4b3723dbfa968d1053a6)
@@ -43,4 +43,6 @@
 typedef int mode_t;
 
+typedef int32_t wchar_t;
+
 typedef volatile uint8_t ioport8_t;
 typedef volatile uint16_t ioport16_t;