--- mstools/h/excpt.h	2018/08/09 18:20:01	1.1
+++ mstools/h/excpt.h	2018/08/09 18:23:06	1.1.1.4
@@ -1,25 +1,48 @@
 /***
-*excpt.h - definitions/declarations for Structured Exception Handling
+*excpt.h - defines exception values, types and routines
 *
-*       Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
+*	Copyright (c) 1990-1993, Microsoft Corporation. All rights reserved.
 *
 *Purpose:
-*       This file defines the compiler-dependent definitions used to
-*       access the structured exception handling syntax.
+*	This file contains the definitions and prototypes for the compiler-
+*	dependent intrinsics, support functions and keywords which implement
+*	the structured exception handling extensions.
 *
-*******************************************************************************/
+****/
 
-#ifndef _EXCPT_
-#define _EXCPT_
+#ifndef _INC_EXCPT
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-//
-// C Structured Exception Handling.
-//
-
-//
-// Exception disposition return values.
-//
 
+/*
+ * Conditional macro definition for function calling type and variable type
+ * qualifiers.
+ */
+#if   ( (_MSC_VER >= 800) && (_M_IX86 >= 300) )
+
+/*
+ * Definitions for MS C8-32 (386/486) compiler
+ */
+#define _CRTAPI1 __cdecl
+#define _CRTAPI2 __cdecl
+
+#else
+
+/*
+ * Other compilers (e.g., MIPS)
+ */
+#define _CRTAPI1
+#define _CRTAPI2
+
+#endif
+
+
+/*
+ * Exception disposition return values.
+ */
 typedef enum _EXCEPTION_DISPOSITION {
     ExceptionContinueExecution,
     ExceptionContinueSearch,
@@ -27,80 +50,105 @@ typedef enum _EXCEPTION_DISPOSITION {
     ExceptionCollidedUnwind
 } EXCEPTION_DISPOSITION;
 
-#if defined(__cplusplus)
-#define EXCEPTION_EXTERN extern "C"
-#define EXCEPTION_NOPROTO ...
-#else
-#define EXCEPTION_EXTERN extern
-#define EXCEPTION_NOPROTO
-#endif
-
-#if defined(lint) || defined(_lint)
 
-#define try                         /* nothing */
-#define except                      /* nothing */
-#define finally                     /* nothing */
-#define GetExceptionCode            (unsigned long) 5  /* any bogus value */
-#define GetExceptionInformation     (struct _EXCEPTION_POINTERS *)_exception_info
-#define AbnormalTermination         _abnormal_termination
-#define abnormal_termination        _abnormal_termination
-
-EXCEPTION_EXTERN unsigned long _exception_code( EXCEPTION_NOPROTO );
-EXCEPTION_EXTERN int _abnormal_termination( EXCEPTION_NOPROTO );
-
-#elif defined(i386)
-
-#define try                         _try
-#define except                      _except
-#define finally                     _finally
-#define GetExceptionCode            (unsigned long)_exception_code
-#define GetExceptionInformation     (struct _EXCEPTION_POINTERS *)_exception_info
-#define AbnormalTermination         _abnormal_termination
-#define abnormal_termination        _abnormal_termination
-
-EXCEPTION_EXTERN unsigned long _exception_code( EXCEPTION_NOPROTO );
-EXCEPTION_EXTERN int _abnormal_termination( EXCEPTION_NOPROTO );
-
-#elif defined(MIPS)
-
-#define try                         __builtin_try
-#define except                      __builtin_except
-#define finally                     __builtin_finally
-#define leave                       __builtin_leave
-#define GetExceptionCode()          __exception_code
-#define GetExceptionInformation()   (struct _EXCEPTION_POINTERS *)__exception_info
-#define abnormal_termination()      __abnormal_termination
-#define AbnormalTermination()       __abnormal_termination
-
-EXCEPTION_EXTERN unsigned long GetExceptionCode();
-EXCEPTION_EXTERN int AbnormalTermination();
-
-//
-// Random noise to keep the Mips C Compiler happy.
-//
+/*
+ * Prototype for SEH support function.
+ */
+
+#ifdef	_M_IX86
+
+/*
+ * Declarations to keep MS C 8 (386/486) compiler happy
+ */
+struct _EXCEPTION_RECORD;
+struct _CONTEXT;
 
+EXCEPTION_DISPOSITION _CRTAPI2 _except_handler (
+	struct _EXCEPTION_RECORD *ExceptionRecord,
+	void * EstablisherFrame,
+	struct _CONTEXT *ContextRecord,
+	void * DispatcherContext
+	);
+
+#elif defined(_M_MRX000) || defined(_MIPS_) || defined(_ALPHA_)
+
+/*
+ * Declarations to keep MIPS and ALPHA compiler happy
+ */
 typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
-
 struct _EXCEPTION_RECORD;
 struct _CONTEXT;
 struct _DISPATCHER_CONTEXT;
 
-EXCEPTION_DISPOSITION
-__C_specific_handler (
-    struct _EXCEPTION_RECORD *ExceptionRecord,
-    void *EstablisherFrame,
-    struct _CONTEXT *ContextRecord,
-    struct _DISPATCHER_CONTEXT *DispatcherContext
-    );
+
+EXCEPTION_DISPOSITION __C_specific_handler (
+	struct _EXCEPTION_RECORD *ExceptionRecord,
+	void *EstablisherFrame,
+	struct _CONTEXT *ContextRecord,
+	struct _DISPATCHER_CONTEXT *DispatcherContext
+	);
+
+#endif
+
+
+/*
+ * Keywords and intrinsics for SEH
+ */
+
+#if	( _MSC_VER >= 800 )
+/*
+ * MS C8-32 (386/486)
+ */
+#define try				__try
+#define except				__except
+#define finally 			__finally
+#define leave				__leave
+#define GetExceptionCode		_exception_code
+#define exception_code			_exception_code
+#define GetExceptionInformation         (struct _EXCEPTION_POINTERS *)_exception_info
+#define exception_info                  (struct _EXCEPTION_POINTERS *)_exception_info
+#define AbnormalTermination		_abnormal_termination
+#define abnormal_termination		_abnormal_termination
+
+unsigned long _CRTAPI1 _exception_code(void);
+void *	      _CRTAPI1 _exception_info(void);
+int	      _CRTAPI1 _abnormal_termination(void);
+
+#elif defined(_M_MRX000) || defined(_MIPS_) || defined(_ALPHA_)
+/*
+ * MIPS or ALPHA compiler
+ */
+#define try				__builtin_try
+#define except				__builtin_except
+#define finally 			__builtin_finally
+#define leave				__builtin_leave
+#define GetExceptionCode()		__exception_code
+#define exception_code()		__exception_code
+#define GetExceptionInformation()       (struct _EXCEPTION_POINTERS *)__exception_info
+#define exception_info()                (struct _EXCEPTION_POINTERS *)__exception_info
+#define AbnormalTermination()		__abnormal_termination
+#define abnormal_termination()		__abnormal_termination
+
+extern unsigned long __exception_code;
+extern int	     __exception_info;
+extern int	     __abnormal_termination;
 
 #endif
 
-//
-// Values for except() expresion
-//
-
-#define EXCEPTION_EXECUTE_HANDLER     1
-#define EXCEPTION_CONTINUE_SEARCH     0
-#define EXCEPTION_CONTINUE_EXECUTION -1
 
+/*
+ * Legal values for expression in except().
+ */
+
+#define EXCEPTION_EXECUTE_HANDLER	 1
+#define EXCEPTION_CONTINUE_SEARCH	 0
+#define EXCEPTION_CONTINUE_EXECUTION	-1
+
+
+
+#ifdef __cplusplus
+}
 #endif
+
+#define _INC_EXCPT
+#endif	/* _INC_EXCPT */