--- q_a/samples/ntsd/mdi.c	2018/08/09 18:29:19	1.1
+++ q_a/samples/ntsd/mdi.c	2018/08/09 18:30:02	1.1.1.3
@@ -45,10 +45,10 @@ typedef struct _PerWndInfo {
 // Forward declarations.
 //
 BOOL InitializeApp   (void);
-LONG MainWndProc     (HWND, UINT, DWORD, LONG);
-LONG MDIWndProc      (HWND, UINT, DWORD, LONG);
-LONG About	     (HWND, UINT, DWORD, LONG);
-LONG TextWndProc     (HWND, UINT, DWORD, LONG);
+LONG APIENTRY MainWndProc     (HWND, UINT, DWORD, LONG);
+LONG APIENTRY MDIWndProc      (HWND, UINT, DWORD, LONG);
+BOOL CALLBACK About           (HWND, UINT, DWORD, LONG);
+LONG APIENTRY TextWndProc     (HWND, UINT, DWORD, LONG);
 VOID vTest	     (PINFO);
 
 /***************************************************************************\
@@ -60,9 +60,9 @@ VOID vTest	     (PINFO);
 *   Added conditional compile statement for internal build environment.
 * 04-17-91      ????      Created.
 \***************************************************************************/
-int WinMain(
-    HANDLE hInstance,
-    HANDLE hPrevInstance,
+int APIENTRY WinMain(
+    HINSTANCE hInstance,
+    HINSTANCE hPrevInstance,
     LPSTR lpCmdLine,
     int nShowCmd)
 {
@@ -176,7 +176,7 @@ BOOL InitializeApp(void)
 * 09-09-91 	Created.
 \***************************************************************************/
 
-long MainWndProc(
+long APIENTRY MainWndProc(
     HWND hwnd,
     UINT message,
     DWORD wParam,
@@ -279,8 +279,8 @@ long MainWndProc(
 
 
 	    case MM_ABOUT:
-		if (DialogBox(ghModule, "AboutBox", ghwndMain, (DLGPROC)About) == -1)
-			MessageBox(ghwndMain, "DEMO: About Dialog Creation Error!", "Error", MB_OK);
+	    	if (DialogBox(ghModule, "AboutBox", ghwndMain, (DLGPROC)About) == -1)
+	    		MessageBox(ghwndMain, "DEMO: About Dialog Creation Error!", "Error", MB_OK);
 		return 0L;
 
             //
@@ -323,7 +323,7 @@ long MainWndProc(
 * 04-17-91 ????      Created.
 \***************************************************************************/
 
-long MDIWndProc(
+long APIENTRY MDIWndProc(
     HWND hwnd,
     UINT message,
     DWORD wParam,
@@ -507,7 +507,7 @@ long MDIWndProc(
 * 04-13-91 ????      Created.
 \***************************************************************************/
 
-long About(
+BOOL CALLBACK About (
     HWND hDlg,
     UINT message,
     DWORD wParam,
@@ -541,7 +541,7 @@ long About(
 *
 \***************************************************************************/
 
-LONG TextWndProc (HWND hwnd, UINT message, DWORD wParam, LONG lParam)
+LONG APIENTRY TextWndProc (HWND hwnd, UINT message, DWORD wParam, LONG lParam)
 {
     static HFONT hFont = (HFONT) NULL;