diff --git a/reactos/lib/msvcrt/io/read.c b/reactos/lib/msvcrt/io/read.c
index 520e2ec9a4b..b95e69897a1 100644
--- a/reactos/lib/msvcrt/io/read.c
+++ b/reactos/lib/msvcrt/io/read.c
@@ -10,13 +10,13 @@
 #include <crtdll/io.h>
 #include <windows.h>
 
-size_t	_read(int _fd, void *_buf, size_t _nbyte)
+size_t _read(int _fd, void *_buf, size_t _nbyte)
 {
-   size_t _rbyte;
+   DWORD _rbyte;
    
-   if (!ReadFile(_get_osfhandle(_fd),_buf,_nbyte,&_rbyte,NULL)) 
+   if (!ReadFile(_get_osfhandle(_fd),_buf,_nbyte,&_rbyte,NULL))
      {
 	return -1;
      }
-   return _rbyte;
+   return (size_t)_rbyte;
 }
diff --git a/reactos/lib/msvcrt/io/write.c b/reactos/lib/msvcrt/io/write.c
index 51dac7b85f1..c64dc1890dd 100644
--- a/reactos/lib/msvcrt/io/write.c
+++ b/reactos/lib/msvcrt/io/write.c
@@ -14,10 +14,11 @@
 
 size_t _write(int _fd, const void *_buf, size_t _nbyte)
 {
-   size_t _wbyte;
+   DWORD _wbyte;
    
-   if ( !WriteFile(_get_osfhandle(_fd),_buf,_nbyte,&_wbyte,NULL) ) {
+   if (!WriteFile(_get_osfhandle(_fd),_buf,_nbyte,&_wbyte,NULL))
+   {
       return -1;
    }
-   return _wbyte;
+   return (size_t)_wbyte;
 }
diff --git a/reactos/lib/msvcrt/stdio/vsprintf.c b/reactos/lib/msvcrt/stdio/vsprintf.c
index 362c29f8f12..52e899eafa8 100644
--- a/reactos/lib/msvcrt/stdio/vsprintf.c
+++ b/reactos/lib/msvcrt/stdio/vsprintf.c
@@ -26,7 +26,7 @@ vswprintf(wchar_t *str, const wchar_t *fmt, va_list ap)
   int len;
 
   f._flag = _IOWRT|_IOSTRG;
-  f._ptr = str;
+  f._ptr = (char*)str;
   f._cnt = INT_MAX;
   f._file = -1;
   len = vfwprintf(&f,fmt, ap);
@@ -56,7 +56,7 @@ _vsnwprintf(wchar_t *str, size_t maxlen, const wchar_t *fmt, va_list ap)
   FILE f;
   int len;
   f._flag = _IOWRT|_IOSTRG;
-  f._ptr = str;
+  f._ptr = (char*)str;
   f._cnt = maxlen;
   f._file = -1;
   len = vfwprintf(&f,fmt, ap);
diff --git a/reactos/lib/msvcrt/stdlib/splitp.c b/reactos/lib/msvcrt/stdlib/splitp.c
index 12d7e04834e..20536c67ebc 100644
--- a/reactos/lib/msvcrt/stdlib/splitp.c
+++ b/reactos/lib/msvcrt/stdlib/splitp.c
@@ -32,7 +32,7 @@ void _splitpath( const char *path, char *drive, char *dir, char *fname, char *ex
 	else
 	{
 		*ext = 0; 
-		tmp_ext = path+strlen(path);
+		tmp_ext = (char *)path+strlen(path);
 	}
     if ( tmp_dir != NULL ) {
 		strncpy(fname,tmp_dir+1,tmp_ext - tmp_dir - 1);
@@ -76,7 +76,7 @@ void _wsplitpath( const wchar_t *path, wchar_t *drive, wchar_t *dir, wchar_t *fn
 	else
 	{
 		*ext = 0;
-		tmp_ext = path+wcslen(path);
+		tmp_ext = (wchar_t *)path+wcslen(path);
 	}
 
 	if ( tmp_dir != NULL ) {
diff --git a/reactos/subsys/csrss/init.c b/reactos/subsys/csrss/init.c
index c481c306c33..b7d5e87ff76 100644
--- a/reactos/subsys/csrss/init.c
+++ b/reactos/subsys/csrss/init.c
@@ -1,4 +1,4 @@
-/* $Id: init.c,v 1.11 2001/03/25 02:34:30 dwelch Exp $
+/* $Id: init.c,v 1.12 2001/06/25 23:48:20 ekohl Exp $
  * 
  * reactos/subsys/csrss/init.c
  *
@@ -157,14 +157,14 @@ CsrServerInitialization (
 	return FALSE;
      }
    RtlInitUnicodeString( &RefreshEventName, L"\\TextConsoleRefreshEvent" );
-   InitializeObjectAttributes( &RefreshEventAttr, &RefreshEventName, NULL, NULL, NULL );
+   InitializeObjectAttributes( &RefreshEventAttr, &RefreshEventName, 0, NULL, NULL );
    Status = NtCreateEvent( &RefreshEventHandle, STANDARD_RIGHTS_ALL, &RefreshEventAttr, FALSE, FALSE );
    if( !NT_SUCCESS( Status ) )
      {
        PrintString( "CSR: Unable to create refresh event!\n" );
        return FALSE;
      }
-   Status = RtlCreateUserThread( NtCurrentProcess(), NULL, FALSE, 0, NULL, NULL, (PTHREAD_START_ROUTINE)Console_Api, (DWORD) RefreshEventHandle, NULL, NULL );
+   Status = RtlCreateUserThread( NtCurrentProcess(), NULL, FALSE, 0, NULL, NULL, (PTHREAD_START_ROUTINE)Console_Api, (PVOID) RefreshEventHandle, NULL, NULL );
    if( !NT_SUCCESS( Status ) )
      {
        PrintString( "CSR: Unable to create console thread\n" );