diff --git a/reactos/lib/crtdll/io/access.c b/reactos/lib/crtdll/io/access.c
index bcc65527abf..d7108c1d08f 100644
--- a/reactos/lib/crtdll/io/access.c
+++ b/reactos/lib/crtdll/io/access.c
@@ -1,16 +1,5 @@
-#include <io.h>
 #include <windows.h>
-
-#define F_OK	0x01
-#define R_OK	0x02
-#define W_OK	0x04
-#define X_OK	0x08
-#define D_OK	0x10
-
-int access(const char *_path, int _amode)
-{
-	return _access(_path,_amode);
-}
+#include <io.h>
 
 int _access( const char *_path, int _amode )
 {
@@ -19,15 +8,15 @@ int _access( const char *_path, int _amode )
 	if ( Attributes == -1 )
 		return -1;
 
-	if ( _amode & W_OK == W_OK ) {
+	if ( (_amode & W_OK) == W_OK ) {
 		if ( (Attributes & FILE_ATTRIBUTE_READONLY) == FILE_ATTRIBUTE_READONLY )
 			return -1;
 	}
-	if ( _amode & D_OK == D_OK ) {
-		if ( (Attributes & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY )
-			return 0;
+	if ( (_amode & D_OK) != D_OK ) {
+		if ( (Attributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY )
+			return -1;
 	}
 
 	return 0;
 		
-}
\ No newline at end of file
+}
diff --git a/reactos/lib/crtdll/io/chmod.c b/reactos/lib/crtdll/io/chmod.c
new file mode 100644
index 00000000000..67f3fd1f571
--- /dev/null
+++ b/reactos/lib/crtdll/io/chmod.c
@@ -0,0 +1,19 @@
+#include <windows.h>
+#include <io.h>
+
+int
+_chmod(const char *filename, int func)
+{
+	DWROD FileAttributes = 0;
+	if ( func == _S_IREAD )
+		FileAttributes &= FILE_ATTRIBUTE_READONLY;
+	if ( ((func & _S_IREAD) == _S_IREAD) && ((func & _S_IWRITE) == _S_IWRITE) )
+		FileAttributes &= FILE_ATTRIBUTE_NORMAL;
+		
+
+
+	if ( SetFileAttributes(filename,func) == FALSE )
+		return -1;
+
+	return 1;
+}
diff --git a/reactos/lib/crtdll/io/chsize.c b/reactos/lib/crtdll/io/chsize.c
new file mode 100644
index 00000000000..37f4242eca0
--- /dev/null
+++ b/reactos/lib/crtdll/io/chsize.c
@@ -0,0 +1,12 @@
+/* Copyright (C) 1996 DJ Delorie, see COPYING.DJ for details */
+#include <io.h>
+
+int
+chsize(int _fd, long size)
+{
+  if (lseek(_fd, size, 0) == -1)
+    return -1;
+  if (_write(_fd, 0, 0) < 0)
+    return -1;
+  return 0;
+}
diff --git a/reactos/lib/crtdll/io/close.c b/reactos/lib/crtdll/io/close.c
index d51a7f0a923..2431a04cd05 100644
--- a/reactos/lib/crtdll/io/close.c
+++ b/reactos/lib/crtdll/io/close.c
@@ -1,16 +1,10 @@
-#include <io.h>
 #include <windows.h>
-//#include <libc/file.h>
-
-
-int	close(int _fd)
-{
-	return _close(_fd);
-}
+#include <io.h>
+#include <libc/file.h>
 
 int	_close(int _fd)
 {
-	CloseHandle(filehnd(_fd));
+	CloseHandle(_get_osfhandle(_fd));
 	return __fileno_close(_fd);
 		
 }
diff --git a/reactos/lib/crtdll/io/commit.c b/reactos/lib/crtdll/io/commit.c
new file mode 100644
index 00000000000..3320b75d2c1
--- /dev/null
+++ b/reactos/lib/crtdll/io/commit.c
@@ -0,0 +1,7 @@
+#include <windows.h>
+#include <io.h>
+
+unsigned int _commit(int _fd)
+{
+	return FlushFileBuffers(_get_osfhandle(_fd)) ? 0 : GetLastError();
+}
diff --git a/reactos/lib/crtdll/io/create.c b/reactos/lib/crtdll/io/create.c
index bd382e9218b..402c51e4916 100644
--- a/reactos/lib/crtdll/io/create.c
+++ b/reactos/lib/crtdll/io/create.c
@@ -1,8 +1,8 @@
 #include <io.h>
 #include <fcntl.h>
 
-#undef creat
-int creat(const char *filename, int mode)
+
+int _creat(const char *filename, int mode)
 {
-	return open(filename,_O_CREAT|_O_TRUNC,mode);
+	return _open(filename,_O_CREAT|_O_TRUNC,mode);
 }
diff --git a/reactos/lib/crtdll/io/dup.c b/reactos/lib/crtdll/io/dup.c
index b0168a8e927..12a09226825 100644
--- a/reactos/lib/crtdll/io/dup.c
+++ b/reactos/lib/crtdll/io/dup.c
@@ -1,13 +1,9 @@
 #include <windows.h>
 #include <io.h>
 
-#undef dup
-int dup( int handle )
-{
-	return _dup(handle);
-}
 
-int _dup( int handle )
+
+int _dup( int _fd )
 {
-	return _open_osfhandle(filehnd(handle), 0666);
-}
\ No newline at end of file
+	return _open_osfhandle(_get_osfhandle(_fd), 0666);
+}
diff --git a/reactos/lib/crtdll/io/dup2.c b/reactos/lib/crtdll/io/dup2.c
index 504338848b7..e59fa232163 100644
--- a/reactos/lib/crtdll/io/dup2.c
+++ b/reactos/lib/crtdll/io/dup2.c
@@ -1,14 +1,9 @@
 #include <windows.h>
 #include <io.h>
+#include <libc/file.h>
 
-#undef dup2
-int dup2( int handle1, int handle2 )
+
+int _dup2( int _fd1, int _fd2 )
 {
-	return _dup2(handle1,handle2);
+	return __fileno_dup2( _fd1, _fd2 );
 }
-
-
-int _dup2( int handle1, int handle2 )
-{
-	return __fileno_dup2( handle1, handle2 );
-}
\ No newline at end of file
diff --git a/reactos/lib/crtdll/io/eof.c b/reactos/lib/crtdll/io/eof.c
new file mode 100644
index 00000000000..622ec48c553
--- /dev/null
+++ b/reactos/lib/crtdll/io/eof.c
@@ -0,0 +1,7 @@
+#include <windows.h>
+#include <io.h>
+
+int _eof( int _fd )
+{
+	return 0;
+}
diff --git a/reactos/lib/crtdll/io/filelen.c b/reactos/lib/crtdll/io/filelen.c
new file mode 100644
index 00000000000..67073134655
--- /dev/null
+++ b/reactos/lib/crtdll/io/filelen.c
@@ -0,0 +1,8 @@
+#include <windows.h>
+#include <io.h>
+
+long
+_filelength(int _fd)
+{
+	return GetFileSize(_get_osfhandle(_fd),NULL);
+}
diff --git a/reactos/lib/crtdll/io/fmode.c b/reactos/lib/crtdll/io/fmode.c
index 1175dde3f6e..e541dbecf40 100644
--- a/reactos/lib/crtdll/io/fmode.c
+++ b/reactos/lib/crtdll/io/fmode.c
@@ -5,4 +5,4 @@
 #undef _fmode
 int _fmode = O_TEXT;
 
-unsigned  int fmode_dll = &_fmode;       
+unsigned  int _fmode_dll = &_fmode;       
diff --git a/reactos/lib/crtdll/io/isatty.c b/reactos/lib/crtdll/io/isatty.c
index 4bb04934d25..b1437809963 100644
--- a/reactos/lib/crtdll/io/isatty.c
+++ b/reactos/lib/crtdll/io/isatty.c
@@ -1,8 +1,10 @@
 #include <io.h>
 
-#undef isatty
 
-int isatty( int handle )
+
+int _isatty( int handle )
 {
-	return (handle & 3);
-}
\ No newline at end of file
+	if ( handle < 5 )
+		return 1;
+	return 0;
+}
diff --git a/reactos/lib/crtdll/io/lseek.c b/reactos/lib/crtdll/io/lseek.c
index cba29e64f4d..f078cf8bd30 100644
--- a/reactos/lib/crtdll/io/lseek.c
+++ b/reactos/lib/crtdll/io/lseek.c
@@ -1,16 +1,9 @@
 #include <windows.h>
 #include <io.h>
-//#include <libc/file.h>
 
-#undef lseek
-long lseek(int _fildes, long _offset, int _whence)
+off_t	_lseek(int _fd, off_t _offset, int _whence)
 {
-	return _lseek(_fildes,_offset,_whence);
-}
-
-long _lseek(int _fildes, long _offset, int _whence)
-{
-	//return _llseek(filehnd(_fildes),_offset,_whence);
+	return _llseek((HFILE)_get_osfhandle(_fd),_offset,_whence);
 }
 
 
diff --git a/reactos/lib/crtdll/io/open.c b/reactos/lib/crtdll/io/open.c
index 9c2c4b2dc68..5aba4441b5b 100644
--- a/reactos/lib/crtdll/io/open.c
+++ b/reactos/lib/crtdll/io/open.c
@@ -39,12 +39,6 @@ char __is_text_file(FILE *p) {
 
 int __fileno_alloc(HANDLE hFile, int mode);
 
-// fixme
-#undef open
-int open(const char *_path, int _oflag,...)
-{
-	return _open(_path,_oflag);
-}
 
 int _open(const char *_path, int _oflag,...)
 {
@@ -168,7 +162,7 @@ __fileno_alloc(HANDLE hFile, int mode)
   return i;
 }
 
-void *filehnd(int fileno)
+void *_get_osfhandle(int fileno)
 {
 	
 	
@@ -245,6 +239,8 @@ int	__fileno_close(int _fd)
 
 	fileno_modes[_fd].fd = -1;
 	fileno_modes[_fd].hFile = (HANDLE)-1;
+
+	return 0;
 		
 }
 
diff --git a/reactos/lib/crtdll/io/pipe.c b/reactos/lib/crtdll/io/pipe.c
new file mode 100644
index 00000000000..4561a24e083
--- /dev/null
+++ b/reactos/lib/crtdll/io/pipe.c
@@ -0,0 +1,7 @@
+#include <windows.h>
+#include <io.h>
+
+int _pipe(int _fildes[2], unsigned int size, int mode )
+{
+	return -1;
+}
diff --git a/reactos/lib/crtdll/io/read.c b/reactos/lib/crtdll/io/read.c
index a0bfbae5611..332ae71cb13 100644
--- a/reactos/lib/crtdll/io/read.c
+++ b/reactos/lib/crtdll/io/read.c
@@ -10,17 +10,13 @@
 #include <io.h>
 #include <windows.h>
 
-size_t	read(int _fd, void *_buf, size_t _nbyte)
-{
-	return _read(_fd,_buf,_nbyte);
-}
+
 size_t	_read(int _fd, void *_buf, size_t _nbyte)
 {
 	size_t _rbyte;
-	if ( !ReadFile(filehnd(_fd),_buf,_nbyte,&_rbyte,NULL) ) {
-		printf("%d\n",GetLastError());
+	if ( !ReadFile(_get_osfhandle(_fd),_buf,_nbyte,&_rbyte,NULL) ) {
 		return -1;
 	}
 
 	return _rbyte;
-}
\ No newline at end of file
+}
diff --git a/reactos/lib/crtdll/io/sopen.c b/reactos/lib/crtdll/io/sopen.c
new file mode 100644
index 00000000000..680227e30a2
--- /dev/null
+++ b/reactos/lib/crtdll/io/sopen.c
@@ -0,0 +1,8 @@
+#include <io.h>
+
+
+int _sopen(char *path,int access,int shflag,int mode)
+{
+
+	return _open((path), (access)|(shflag), (mode));
+}
diff --git a/reactos/lib/crtdll/io/write.c b/reactos/lib/crtdll/io/write.c
index 5572b60f620..15c9285255d 100644
--- a/reactos/lib/crtdll/io/write.c
+++ b/reactos/lib/crtdll/io/write.c
@@ -10,16 +10,11 @@
 #include <io.h>
 #include <windows.h>
 
-int	write(int _fd, const void *_buf,int _nbyte)
-{
-	return _write(_fd,_buf,_nbyte);
-}
 
 size_t	_write(int _fd, const void *_buf, size_t _nbyte)
 {
 	size_t _wbyte;
-	if ( !WriteFile(filehnd(_fd),_buf,_nbyte,&_wbyte,NULL) ) {
-		printf("%d\n",GetLastError());
+	if ( !WriteFile(_get_osfhandle(_fd),_buf,_nbyte,&_wbyte,NULL) ) {
 		return -1;
 	}
 	return _wbyte;