diff --git a/base/os.h b/base/os.h
index 5d08c4f..5957fc3 100644
--- a/base/os.h
+++ b/base/os.h
@@ -60,4 +60,12 @@
 	#endif
 #endif
 
+#ifdef RobotGo_64
+	typedef int64_t			intptr;	
+	typedef uint64_t		uintptr;	
+#else
+	typedef int32_t			 intptr;
+	typedef uint32_t		 uintptr;	// Unsigned pointer integer
+#endif
+
 #endif /* OS_H */
diff --git a/robotgo_x11.go b/robotgo_x11.go
index 524a24e..8ef4eae 100644
--- a/robotgo_x11.go
+++ b/robotgo_x11.go
@@ -15,6 +15,7 @@ package robotgo
 
 import (
 	"errors"
+	"fmt"
 	"log"
 
 	"github.com/robotn/xgb"
@@ -185,11 +186,11 @@ func Alert(title, msg string, args ...string) bool {
 		` -title ` + title + ` -buttons ` + defaultBtn + ":0," + cancelBtn + ":1" + ` -default Ok`
 	out, err := Run(c)
 	if err != nil {
-		fmt.Println("Alert: ", err, ". ", strint(out))
+		fmt.Println("Alert: ", err, ". ", string(out))
 		return false
 	}
 
-	if strint(out) == "1" {
+	if string(out) == "1" {
 		return false
 	}
 	return true
diff --git a/screen/screengrab_c.h b/screen/screengrab_c.h
index 7464c8d..72f8203 100644
--- a/screen/screengrab_c.h
+++ b/screen/screengrab_c.h
@@ -95,7 +95,7 @@ MMBitmapRef copyMMBitmapFromDisplayInRect(MMRectInt32 rect, int32_t display_id)
 	if (display_id == -1) {
 		screen = GetDC(NULL); /* Get entire screen */
 	} else {
-		screen = GetDC((HWND) display_id);
+		screen = GetDC((HWND) (uintptr) display_id);
 	}
 	if (screen == NULL) { return NULL; }
 
diff --git a/window/pub.h b/window/pub.h
index bf7b8fd..4f0766e 100644
--- a/window/pub.h
+++ b/window/pub.h
@@ -15,14 +15,6 @@
 	#include <X11/Xatom.h>
 #endif
 
-#ifdef RobotGo_64
-	typedef int64_t			intptr;	
-	typedef uint64_t			uintptr;	
-#else
-	typedef int32_t			 intptr;
-	typedef uint32_t		 uintptr;	// Unsigned pointer integer
-#endif
-
 struct _MData{
 	#if defined(IS_MACOSX)
 		CGWindowID		CgID;		// Handle to a CGWindowID