diff --git a/platform_all/4ed_coroutine_functions.cpp b/platform_all/4ed_coroutine_functions.cpp
new file mode 100644
index 00000000..154267cb
--- /dev/null
+++ b/platform_all/4ed_coroutine_functions.cpp
@@ -0,0 +1,76 @@
+/*
+ * Mr. 4th Dimention - Allen Webster
+ *
+ * 10.09.2017
+ *
+ * Mac C++ layer for 4coder
+ *
+ */
+
+// TOP
+
+#if !defined(FRED_COROUTINE_FUNCTIONS_CPP)
+#define FRED_COROUTINE_FUNCTIONS_CPP
+
+//
+// Coroutine
+//
+
+internal
+Sys_Create_Coroutine_Sig(system_create_coroutine){
+    Coroutine *coroutine = coroutine_system_alloc(&coroutines);
+    Coroutine_Head *result = 0;
+    if (coroutine != 0){
+        coroutine_set_function(coroutine, func);
+        result = &coroutine->head;
+    }
+    return(result);
+}
+
+internal
+Sys_Launch_Coroutine_Sig(system_launch_coroutine){
+    Coroutine *coroutine = (Coroutine*)head;
+    coroutine->head.in = in;
+    coroutine->head.out = out;
+    
+    Coroutine *active = coroutine->sys->active;
+    Assert(active != 0);
+    coroutine_launch(active, coroutine);
+    Assert(active == coroutine->sys->active);
+    
+    Coroutine_Head *result = &coroutine->head;
+    if (coroutine->state == CoroutineState_Dead){
+        coroutine_system_free(&coroutines, coroutine);
+        result = 0;
+    }
+    return(result);
+}
+
+Sys_Resume_Coroutine_Sig(system_resume_coroutine){
+    Coroutine *coroutine = (Coroutine*)head;
+    coroutine->head.in = in;
+    coroutine->head.out = out;
+    
+    Coroutine *active = coroutine->sys->active;
+    Assert(active != 0);
+    coroutine_resume(active, coroutine);
+    Assert(active == coroutine->sys->active);
+    
+    Coroutine_Head *result = &coroutine->head;
+    if (coroutine->state == CoroutineState_Dead){
+        coroutine_system_free(&coroutines, coroutine);
+        result = 0;
+    }
+    return(result);
+}
+
+Sys_Yield_Coroutine_Sig(system_yield_coroutine){
+    Coroutine *coroutine = (Coroutine*)head;
+    coroutine_yield(coroutine);
+}
+
+#endif
+
+// BOTTOM
+
+
diff --git a/platform_linux/linux_4ed.cpp b/platform_linux/linux_4ed.cpp
index 70aa7d9a..5f1b9636 100644
--- a/platform_linux/linux_4ed.cpp
+++ b/platform_linux/linux_4ed.cpp
@@ -304,6 +304,8 @@ Sys_Send_Exit_Signal_Sig(system_send_exit_signal){
     linuxvars.keep_running = false;
 }
 
+#include "4ed_coroutine_functions.cpp"
+
 //
 // Clipboard
 //
@@ -314,63 +316,6 @@ Sys_Post_Clipboard_Sig(system_post_clipboard){
     XSetSelectionOwner(linuxvars.XDisplay, linuxvars.atom_CLIPBOARD, linuxvars.XWindow, CurrentTime);
 }
 
-//
-// Coroutine
-//
-
-internal
-Sys_Create_Coroutine_Sig(system_create_coroutine){
-    Coroutine *coroutine = coroutine_system_alloc(&coroutines);
-    Coroutine_Head *result = 0;
-    if (coroutine != 0){
-        coroutine_set_function(coroutine, func);
-        result = &coroutine->head;
-    }
-    return(result);
-}
-
-internal
-Sys_Launch_Coroutine_Sig(system_launch_coroutine){
-    Coroutine *coroutine = (Coroutine*)head;
-    coroutine->head.in = in;
-    coroutine->head.out = out;
-    
-    Coroutine *active = coroutine->sys->active;
-    Assert(active != 0);
-    coroutine_launch(active, coroutine);
-    Assert(active == coroutine->sys->active);
-    
-    Coroutine_Head *result = &coroutine->head;
-    if (coroutine->state == CoroutineState_Dead){
-        coroutine_system_free(&coroutines, coroutine);
-        result = 0;
-    }
-    return(result);
-}
-
-Sys_Resume_Coroutine_Sig(system_resume_coroutine){
-    Coroutine *coroutine = (Coroutine*)head;
-    coroutine->head.in = in;
-    coroutine->head.out = out;
-    
-    Coroutine *active = coroutine->sys->active;
-    Assert(active != 0);
-    coroutine_resume(active, coroutine);
-    Assert(active == coroutine->sys->active);
-    
-    Coroutine_Head *result = &coroutine->head;
-    if (coroutine->state == CoroutineState_Dead){
-        coroutine_system_free(&coroutines, coroutine);
-        result = 0;
-    }
-    return(result);
-}
-
-Sys_Yield_Coroutine_Sig(system_yield_coroutine){
-    Coroutine *coroutine = (Coroutine*)head;
-    coroutine_yield(coroutine);
-}
-
 //
 // CLI
 //
diff --git a/platform_mac/mac_4ed.cpp b/platform_mac/mac_4ed.cpp
index 9573350d..9700bab6 100644
--- a/platform_mac/mac_4ed.cpp
+++ b/platform_mac/mac_4ed.cpp
@@ -91,6 +91,8 @@ OSX_Vars osx;
 
 ////////////////////////////////
 
+#include "4ed_coroutine_functions.cpp"
+
 //
 // Clipboard
 //
@@ -108,7 +110,8 @@ Sys_Post_Clipboard_Sig(system_post_clipboard){
         }
         memcpy(osx.clipboard_space, str.str, str.size);
         osx.clipboard_space[str.size] = 0;
-        string = osx.clipboard_space;
+        string = osx.clipboard_space
+        ;
     }
     osx_post_to_clipboard(string);
 }
diff --git a/platform_win32/win32_4ed.cpp b/platform_win32/win32_4ed.cpp
index f8a94740..78d0de08 100644
--- a/platform_win32/win32_4ed.cpp
+++ b/platform_win32/win32_4ed.cpp
@@ -262,62 +262,7 @@ Sys_Send_Exit_Signal_Sig(system_send_exit_signal){
     win32vars.send_exit_signal = true;
 }
 
-//
-// Coroutines
-//
-
-internal
-Sys_Create_Coroutine_Sig(system_create_coroutine){
-    Coroutine *coroutine = coroutine_system_alloc(&coroutines);
-    Coroutine_Head *result = 0;
-    if (coroutine != 0){
-        coroutine_set_function(coroutine, func);
-        result = &coroutine->head;
-    }
-    return(result);
-}
-
-internal
-Sys_Launch_Coroutine_Sig(system_launch_coroutine){
-    Coroutine *coroutine = (Coroutine*)head;
-    coroutine->head.in = in;
-    coroutine->head.out = out;
-    
-    Coroutine *active = coroutine->sys->active;
-    Assert(active != 0);
-    coroutine_launch(active, coroutine);
-    Assert(active == coroutine->sys->active);
-    
-    Coroutine_Head *result = &coroutine->head;
-    if (coroutine->state == CoroutineState_Dead){
-        coroutine_system_free(&coroutines, coroutine);
-        result = 0;
-    }
-    return(result);
-}
-
-Sys_Resume_Coroutine_Sig(system_resume_coroutine){
-    Coroutine *coroutine = (Coroutine*)head;
-    coroutine->head.in = in;
-    coroutine->head.out = out;
-    
-    Coroutine *active = coroutine->sys->active;
-    Assert(active != 0);
-    coroutine_resume(active, coroutine);
-    Assert(active == coroutine->sys->active);
-    
-    Coroutine_Head *result = &coroutine->head;
-    if (coroutine->state == CoroutineState_Dead){
-        coroutine_system_free(&coroutines, coroutine);
-        result = 0;
-    }
-    return(result);
-}
-
-Sys_Yield_Coroutine_Sig(system_yield_coroutine){
-    Coroutine *coroutine = (Coroutine*)head;
-    coroutine_yield(coroutine);
-}
+#include "4ed_coroutine_functions.cpp"
 
 //
 // Clipboard