diff --git a/msvc/config.h b/msvc/config.h
index b522213..5f92a01 100644
--- a/msvc/config.h
+++ b/msvc/config.h
@@ -1,15 +1,13 @@
 /*
  *  zzuf - general purpose fuzzer
- *  Copyright (c) 2006-2009 Sam Hocevar <sam@hocevar.net>
- *                All Rights Reserved
  *
- *  $Id: timer.h 192 2007-01-12 15:47:48Z sam $
+ *  Copyright © 2006—2015 Sam Hocevar <sam@hocevar.net>
  *
  *  This program is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it
- *  and/or modify it under the terms of the Do What The Fuck You Want
- *  To Public License, Version 2, as published by Sam Hocevar. See
- *  http://sam.zoy.org/wtfpl/COPYING for more details.
+ *  and/or modify it under the terms of the Do What the Fuck You Want
+ *  to Public License, Version 2, as published by the WTFPL Task Force.
+ *  See http://www.wtfpl.net/ for more details.
  */
 
 /*
@@ -145,10 +143,10 @@
 /* #undef NO_MINUS_C_MINUS_O */
 #define PACKAGE_BUGREPORT ""
 #define PACKAGE_NAME "zzuf"
-#define PACKAGE_STRING "zzuf 0.12"
+#define PACKAGE_STRING PACKAGE_NAME " " PACKAGE_VERSION
 #define PACKAGE_TARNAME "zzuf"
 #define PACKAGE_URL ""
-#define PACKAGE_VERSION "0.12"
+#define PACKAGE_VERSION "0.13"
 /* #undef READ_USES_SSIZE_T */
 #define RECV_T int
 #define SONAME "libzzuf.dll"
diff --git a/msvc/libzzuf.vcxproj b/msvc/libzzuf.vcxproj
index 9f94517..662fcb1 100644
--- a/msvc/libzzuf.vcxproj
+++ b/msvc/libzzuf.vcxproj
@@ -26,18 +26,22 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/msvc/zzat.vcxproj b/msvc/zzat.vcxproj
index cbe2cf3..6835b8a 100644
--- a/msvc/zzat.vcxproj
+++ b/msvc/zzat.vcxproj
@@ -26,18 +26,22 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -168,6 +172,11 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClInclude Include="config.h" />
+    <ClInclude Include="..\src\caca_getopt.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\src\caca_getopt.c" />
     <ClCompile Include="..\src\zzat.c">
       <ObjectFileName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(IntDir)%(FileName)1.obj</ObjectFileName>
       <ObjectFileName Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(IntDir)%(FileName)1.obj</ObjectFileName>
@@ -175,9 +184,6 @@
       <ObjectFileName Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(IntDir)%(FileName)1.obj</ObjectFileName>
     </ClCompile>
   </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="config.h" />
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/msvc/zznop.vcxproj b/msvc/zznop.vcxproj
index 1422eee..532212d 100644
--- a/msvc/zznop.vcxproj
+++ b/msvc/zznop.vcxproj
@@ -26,18 +26,22 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/msvc/zzuf.vcxproj b/msvc/zzuf.vcxproj
index 3e31a9f..f845473 100644
--- a/msvc/zzuf.vcxproj
+++ b/msvc/zzuf.vcxproj
@@ -26,18 +26,22 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -119,7 +123,7 @@
       <CompileAs>CompileAsC</CompileAs>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>ws2_32.lib;AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>$(OutDir)zzuf.exe</OutputFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <ProgramDatabaseFile>$(OutDir)zzuf.pdb</ProgramDatabaseFile>
@@ -168,6 +172,7 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClInclude Include="..\src\caca_getopt.h" />
     <ClInclude Include="..\src\common\common.h" />
     <ClInclude Include="..\src\common\fd.h" />
     <ClInclude Include="..\src\common\fuzz.h" />
@@ -181,6 +186,7 @@
     <ClInclude Include="config.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\src\caca_getopt.c" />
     <ClCompile Include="..\src\common\fd.c" />
     <ClCompile Include="..\src\common\fuzz.c" />
     <ClCompile Include="..\src\common\random.c" />
diff --git a/src/zzat.c b/src/zzat.c
index c36d3b8..dd7c560 100644
--- a/src/zzat.c
+++ b/src/zzat.c
@@ -1,13 +1,13 @@
 /*
  *  zzat - various cat reimplementations for testing purposes
- *  Copyright (c) 2006-2010 Sam Hocevar <sam@hocevar.net>
- *                All Rights Reserved
+ *
+ *  Copyright © 2006—2015 Sam Hocevar <sam@hocevar.net>
  *
  *  This program is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it
- *  and/or modify it under the terms of the Do What The Fuck You Want
- *  To Public License, Version 2, as published by Sam Hocevar. See
- *  http://sam.zoy.org/wtfpl/COPYING for more details.
+ *  and/or modify it under the terms of the Do What the Fuck You Want
+ *  to Public License, Version 2, as published by the WTFPL Task Force.
+ *  See http://www.wtfpl.net/ for more details.
  */
 
 /*
@@ -50,7 +50,7 @@ typedef int ssize_t;
 #include <stdio.h>
 #include <string.h>
 
-#include <caca.h>
+#include "caca_getopt.h"
 
 static int run(char const *sequence, char const *file);
 static void output(char const *buf, size_t len);