1 files changed, 26 insertions, 0 deletions
diff --git a/src/mscorlib/corefx/Interop/Unix/System.Globalization.Native/Interop.Casing.cs b/src/mscorlib/corefx/Interop/Unix/System.Globalization.Native/Interop.Casing.cs
new file mode 100644
index 0000000000..115a8393be
--- /dev/null
+++ b/src/mscorlib/corefx/Interop/Unix/System.Globalization.Native/Interop.Casing.cs
@@ -0,0 +1,26 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Security;
+using System.Text;
+
+internal static partial class Interop
+{
+    internal static partial class GlobalizationInterop
+    {
+        [SecurityCritical]
+        [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ChangeCase")]
+        internal unsafe static extern void ChangeCase(char* src, int srcLen, char* dstBuffer, int dstBufferCapacity, bool bToUpper);
+
+        [SecurityCritical]
+        [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ChangeCaseInvariant")]
+        internal unsafe static extern void ChangeCaseInvariant(char* src, int srcLen, char* dstBuffer, int dstBufferCapacity, bool bToUpper);
+
+        [SecurityCritical]
+        [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ChangeCaseTurkish")]
+        internal unsafe static extern void ChangeCaseTurkish(char* src, int srcLen, char* dstBuffer, int dstBufferCapacity, bool bToUpper);
+    }
+}