diff --git a/app/src/processing/app/Base.java b/app/src/processing/app/Base.java
index 09d0db665..a6361d1d3 100644
--- a/app/src/processing/app/Base.java
+++ b/app/src/processing/app/Base.java
@@ -1215,6 +1215,11 @@ public class Base {
 //  }
 
 
+  static public Platform getPlatform() {
+    return platform;
+  }
+  
+  
   static public String getPlatformName() {
     String osname = System.getProperty("os.name");
 
@@ -1761,33 +1766,6 @@ public class Base {
   // ...................................................................
 
 
-  public interface CLibrary extends Library {
-    CLibrary INSTANCE = (CLibrary)Native.loadLibrary("c", CLibrary.class);
-    int setenv(String name, String value, int overwrite);
-    String getenv(String name);
-    int unsetenv(String name);
-    int putenv(String string);
-  }
-
-  
-  static public void setenv(String variable, String value) {
-    CLibrary clib = CLibrary.INSTANCE;
-    clib.setenv(variable, value, 1);
-  }
-
-  
-  static public String getenv(String variable) {
-    CLibrary clib = CLibrary.INSTANCE;
-    return clib.getenv(variable);
-  }
-
-
-  static public int unsetenv(String variable) {
-    CLibrary clib = CLibrary.INSTANCE;
-    return clib.unsetenv(variable);
-  }
-
-  
   /**
    * Get the number of lines in a file by counting the number of newline
    * characters inside a String (and adding 1).
diff --git a/app/src/processing/app/Platform.java b/app/src/processing/app/Platform.java
index ef03f56ce..315954663 100644
--- a/app/src/processing/app/Platform.java
+++ b/app/src/processing/app/Platform.java
@@ -26,6 +26,9 @@ import java.io.File;
 
 import javax.swing.UIManager;
 
+import com.sun.jna.Library;
+import com.sun.jna.Native;
+
 
 /**
  * Used by Base for platform-specific tweaking, for instance finding the
@@ -128,6 +131,36 @@ public class Platform {
   
   // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
   
+  
+  public interface CLibrary extends Library {
+    CLibrary INSTANCE = (CLibrary)Native.loadLibrary("c", CLibrary.class);
+    int setenv(String name, String value, int overwrite);
+    String getenv(String name);
+    int unsetenv(String name);
+    int putenv(String string);
+  }
+
+  
+  public void setenv(String variable, String value) {
+    CLibrary clib = CLibrary.INSTANCE;
+    clib.setenv(variable, value, 1);
+  }
+
+  
+  public String getenv(String variable) {
+    CLibrary clib = CLibrary.INSTANCE;
+    return clib.getenv(variable);
+  }
+
+
+  public int unsetenv(String variable) {
+    CLibrary clib = CLibrary.INSTANCE;
+    return clib.unsetenv(variable);
+  }
+
+  
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
+
 
   protected void showLauncherWarning() {
     Base.showWarning("No launcher available", 
diff --git a/app/src/processing/app/tools/android/Android.java b/app/src/processing/app/tools/android/Android.java
index fc54b60f7..155e8dde9 100644
--- a/app/src/processing/app/tools/android/Android.java
+++ b/app/src/processing/app/tools/android/Android.java
@@ -69,16 +69,17 @@ public class Android implements Tool {
 
 
   static protected void checkPath() {
+    Platform platform = Base.getPlatform();
     //  System.out.println("PATH is " + Base.getenv("PATH"));
     //  System.out.println("PATH from System is " + System.getenv("PATH"));
-    if (Base.getenv("ANDROID_SDK") == null) {
-      Base.setenv("ANDROID_SDK", "/opt/android");
+    if (platform.getenv("ANDROID_SDK") == null) {
+      platform.setenv("ANDROID_SDK", "/opt/android");
     }
-    sdkPath = Base.getenv("ANDROID_SDK");
+    sdkPath = platform.getenv("ANDROID_SDK");
 //    System.out.println("sdk path is " + sdkPath);
     //  sdkPath = "/opt/android";
     String toolsPath = sdkPath + File.separator + "tools";
-    Base.setenv("PATH", Base.getenv("PATH") + File.pathSeparator + toolsPath);
+    platform.setenv("PATH", platform.getenv("PATH") + File.pathSeparator + toolsPath);
 //    System.out.println("path after set is " + Base.getenv("PATH")); 
   }
 
diff --git a/app/src/processing/app/windows/Platform.java b/app/src/processing/app/windows/Platform.java
index 278244447..04c12c259 100644
--- a/app/src/processing/app/windows/Platform.java
+++ b/app/src/processing/app/windows/Platform.java
@@ -25,8 +25,12 @@ package processing.app.windows;
 import java.io.File;
 import java.io.UnsupportedEncodingException;
 
+import com.sun.jna.Library;
+import com.sun.jna.Native;
+
 import processing.app.Base;
 import processing.app.Preferences;
+import processing.app.Platform.CLibrary;
 import processing.app.windows.Registry.REGISTRY_ROOT_KEY;
 import processing.core.PApplet;
 
@@ -265,4 +269,36 @@ public class Platform extends processing.app.Platform {
     // not tested
     //Runtime.getRuntime().exec("start explorer \"" + folder + "\"");
   }
+  
+  
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
+  
+  
+  public interface WinLibC extends Library {
+    WinLibC INSTANCE = (WinLibC) Native.loadLibrary("msvcrt", WinLibC.class);
+
+    public int _putenv(String name);
+//    int setenv(String name, String value, int overwrite);
+//    String getenv(String name);
+//    int unsetenv(String name);
+//    int putenv(String string);
+  }
+
+  
+  public void setenv(String variable, String value) {
+    WinLibC clib = WinLibC.INSTANCE;
+    clib._putenv(variable + "=" + value);
+  }
+
+  
+  public String getenv(String variable) {
+    return System.getenv(variable);
+  }
+
+
+  public int unsetenv(String variable) {
+    WinLibC clib = WinLibC.INSTANCE;
+    clib._putenv(variable + "=");
+    return 0;
+  }
 }