Create a branch for header work.

svn path=/branches/header-work/; revision=45691

lib/sdk/crt/stdlib/mbtowc.c

@@ -0,0 +1,45 @@
+/*
+ * COPYRIGHT:   See COPYING in the top level directory
+ * PROJECT:     ReactOS system libraries
+ * FILE:        lib/crt/??????
+ * PURPOSE:     Unknown
+ * PROGRAMER:   Unknown
+ * UPDATE HISTORY:
+ *              25/11/05: Added license header
+ */
+
+#include <precomp.h>
+
+
+/*
+ * @implemented
+ */
+
+int mbtowc (wchar_t *charptr, const char *address, size_t number)
+{
+    int bytes;
+
+    if (address == 0)
+	return 0;
+
+    if ((bytes = mblen (address, number)) < 0)
+	return bytes;
+
+    if (charptr) {
+	switch (bytes) {
+	case 0:
+	    if (number > 0) 
+		*charptr = (wchar_t) '\0';
+	    break;
+	case 1:
+	    *charptr = (wchar_t) ((unsigned char) address[0]);
+	    break;
+	case 2:
+	    *charptr = (wchar_t) (((unsigned char) address[0] << 8)
+				  | (unsigned char) address[1]);
+	    break;
+	}
+    }
+
+    return bytes;
+}