diff --git a/contrib/sdk/sources/newlib/libc/include/ctype.h b/contrib/sdk/sources/newlib/libc/include/ctype.h
index 969d3ef1f3..f5b153e392 100644
--- a/contrib/sdk/sources/newlib/libc/include/ctype.h
+++ b/contrib/sdk/sources/newlib/libc/include/ctype.h
@@ -39,10 +39,11 @@ int _EXFUN(toascii, (int __c));
 #define _X	0100
 #define	_B	0200
 
+extern
 #ifndef _MB_CAPABLE
 _CONST
 #endif
-extern	__IMPORT char	*__ctype_ptr__;
+__IMPORT char   *__ctype_ptr__;
 
 #ifndef __cplusplus
 /* These macros are intentionally written in a manner that will trigger
diff --git a/contrib/sdk/sources/newlib/libc/include/sys/lock.h b/contrib/sdk/sources/newlib/libc/include/sys/lock.h
index 725b73aec8..8a43b7092a 100644
--- a/contrib/sdk/sources/newlib/libc/include/sys/lock.h
+++ b/contrib/sdk/sources/newlib/libc/include/sys/lock.h
@@ -1,7 +1,7 @@
 #ifndef __SYS_LOCK_H__
 #define __SYS_LOCK_H__
 
-#define  _LIBC  1
+//#define  _LIBC  1
 #define  NOT_IN_libc 1
 
 #ifndef __USE_GNU