diff --git a/reactos/include/crtdll/conio.h b/reactos/include/crtdll/conio.h
index a0823278317..be711813919 100644
--- a/reactos/include/crtdll/conio.h
+++ b/reactos/include/crtdll/conio.h
@@ -19,9 +19,9 @@
  *  DISCLAMED. This includes but is not limited to warranties of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  *
- * $Revision: 1.3 $
+ * $Revision: 1.4 $
  * $Author: ariadne $
- * $Date: 1999/04/02 21:42:06 $
+ * $Date: 1999/04/27 06:16:04 $
  *
  */
 
@@ -52,8 +52,8 @@ int	_ungetch (int cUnget);
 #define	getch 			_getch
 #define	getche  		_getche
 #define	kbhit 			_kbhit
-#define	putch (cPut)		_putch(cPut)
-#define	ungetch (cUnget)	_ungetch(cUnget)
+#define	putch(cPut)		_putch(cPut)
+#define	ungetch(cUnget)		_ungetch(cUnget)
 
 #endif	/* Not _NO_OLDNAMES */
 
diff --git a/reactos/include/crtdll/internal/file.h b/reactos/include/crtdll/internal/file.h
index 6420e97765e..d1b4c11c26a 100644
--- a/reactos/include/crtdll/internal/file.h
+++ b/reactos/include/crtdll/internal/file.h
@@ -28,9 +28,17 @@ extern "C" {
 
 
 // might need check for IO_APPEND aswell
-#define WRITE_STREAM(f) ((((f)->_flag & _IOWRT) == _IOWRT ) ||  (((f)->_flag & _IORW) ==  _IORW ))
+#define OPEN4WRITING(f) ((((f)->_flag & _IOWRT) == _IOWRT ) )
 
-#define READ_STREAM(f) ((((f)->_flag & _IOREAD) == _IOREAD ) ||  (((f)->_flag & _IORW) ==  _IORW ))
+#define OPEN4READING(f) ((((f)->_flag & _IOREAD) == _IOREAD ) )
+
+// might need check for IO_APPEND aswell
+#define WRITE_STREAM(f) ((((f)->_flag & _IOWRT) == _IOWRT ) )
+
+#define READ_STREAM(f) ((((f)->_flag & _IOREAD) == _IOREAD ) )
+
+
+char __validfp (FILE *f);
 
 int __set_errno(int err);
 void *filehnd(int fn);
diff --git a/reactos/include/crtdll/internal/ieee.h b/reactos/include/crtdll/internal/ieee.h
index b6f05b5028f..7406d45deb2 100644
--- a/reactos/include/crtdll/internal/ieee.h
+++ b/reactos/include/crtdll/internal/ieee.h
@@ -19,6 +19,9 @@ typedef struct {
   unsigned int mantissah:32;
   unsigned int exponent:15;
   unsigned int sign:1;
+  unsigned int empty:16;
 } long_double_t;
 
+
+
 #endif
\ No newline at end of file
diff --git a/reactos/include/crtdll/stdio.h b/reactos/include/crtdll/stdio.h
index d227d5c4705..8f94bfce7db 100644
--- a/reactos/include/crtdll/stdio.h
+++ b/reactos/include/crtdll/stdio.h
@@ -22,9 +22,9 @@
  *  DISCLAMED. This includes but is not limited to warranties of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  *
- * $Revision: 1.9 $
+ * $Revision: 1.10 $
  * $Author: ariadne $
- * $Date: 1999/04/23 18:43:00 $
+ * $Date: 1999/04/27 06:16:04 $
  *
  */
 /* Appropriated for Reactos Crtdll by Ariadne */
@@ -53,7 +53,6 @@ extern "C" {
 #define _IOEOF    0x000100
 #define _IOERR    0x000200
 #define _IOSTRG   0x000400
-#define _IORW     (_IOREAD | _IOWRT)
 #define _IOAPPEND 0x002000
 #define _IORMONCL 0x004000  /* remove on close, for temp files */
 /* if _flag & _IORMONCL, ._name_to_remove needs freeing */
@@ -62,6 +61,7 @@ extern "C" {
 
 #define _IODIRTY  0x000080
 #define _IOAHEAD  0x000008
+#define _IORW (_IOREAD | _IOWRITE )
 
 
 /*