diff --git a/reactos/lib/sdk/crt/printf/streamout.c b/reactos/lib/sdk/crt/printf/streamout.c
index 8e9ce4f667a..66aae271dd5 100644
--- a/reactos/lib/sdk/crt/printf/streamout.c
+++ b/reactos/lib/sdk/crt/printf/streamout.c
@@ -16,13 +16,6 @@
 #ifdef _UNICODE
 # define streamout wstreamout
 # define format_float format_floatw
-# define _flsbuf _flswbuf
-int __cdecl _flswbuf(int ch, FILE *stream);
-#endif
-
-#ifdef _LIBCNT_
-# undef _flsbuf
-# define _flsbuf(chr, stream) _TEOF
 #endif
 
 #define MB_CUR_MAX 10
@@ -234,25 +227,19 @@ static
 int
 streamout_char(FILE *stream, int chr)
 {
+#if defined(_USER32_WSPRINTF) || defined(_LIBCNT_)
     /* Check if the buffer is full */
     if (stream->_cnt < sizeof(TCHAR))
-    {
-#ifdef _USER32_WSPRINTF
-        return _TEOF;
-#else
-        /* Strings are done now */
-        if (stream->_flag & _IOSTRG) return _TEOF;
-
-        /* Flush buffer for files */
-        return _flsbuf(chr, stream) != _TEOF;
-#endif
-    }
+        return 0;
 
     *(TCHAR*)stream->_ptr = chr;
     stream->_ptr += sizeof(TCHAR);
     stream->_cnt -= sizeof(TCHAR);
 
     return 1;
+#else
+    return _fputtc((TCHAR)chr, stream) != _TEOF;
+#endif
 }
 
 static
diff --git a/reactos/lib/sdk/crt/stdio/file.c b/reactos/lib/sdk/crt/stdio/file.c
index a66da9de9d4..cb5f5ae3dd8 100644
--- a/reactos/lib/sdk/crt/stdio/file.c
+++ b/reactos/lib/sdk/crt/stdio/file.c
@@ -2175,12 +2175,33 @@ size_t CDECL fwrite(const void *ptr, size_t size, size_t nmemb, FILE* file)
 /*********************************************************************
  *		fputwc (MSVCRT.@)
  */
-wint_t CDECL fputwc(wint_t wc, FILE* file)
+wint_t CDECL fputwc(wchar_t c, FILE* stream)
 {
-  wchar_t mwc=wc;
-  if (fwrite( &mwc, sizeof(mwc), 1, file) != 1)
-    return WEOF;
-  return wc;
+    /* If this is a real file stream (and not some temporary one for
+       sprintf-like functions), check whether it is opened in text mode.
+       In this case, we have to perform an implicit conversion to ANSI. */
+    if (!(stream->_flag & _IOSTRG) && fdesc[stream->_file].wxflag & WX_TEXT)
+    {
+        /* Convert to multibyte in text mode */
+        char mbc[MB_LEN_MAX];
+        int mb_return;
+
+        mb_return = wctomb(mbc, c);
+
+        if(mb_return == -1)
+            return WEOF;
+
+        /* Output all characters */
+        if (fwrite(mbc, mb_return, 1, stream) != 1)
+            return WEOF;
+    }
+    else
+    {
+        if (fwrite(&c, sizeof(c), 1, stream) != 1)
+            return WEOF;
+    }
+
+    return c;
 }
 
 /*********************************************************************