--- mstools/h/setjmp.h	2018/08/09 18:20:01	1.1.1.1
+++ mstools/h/setjmp.h	2018/08/09 18:21:04	1.1.1.3
@@ -1,7 +1,7 @@
 /***
 *setjmp.h - definitions/declarations for setjmp/longjmp routines
 *
-*	Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
+*	Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
 *
 *Purpose:
 *	This file defines the machine-dependent buffer used by
@@ -9,41 +9,100 @@
 *	declarations for those routines.
 *	[ANSI/System V]
 *
-*******************************************************************************/
+****/
 
 #ifndef _INC_SETJMP
 
 #ifndef __cplusplus
 
 
-#if (_MSC_VER <= 600)
-#define __cdecl _cdecl
-#endif
+/*
+ * Conditional macro definition for function calling type and variable type
+ * qualifiers.
+ */
+#if   ( (_MSC_VER >= 800) && (_M_IX86 >= 300) )
 
-/* define the buffer type for holding the state information */
+/*
+ * Definitions for MS C8-32 (386/486) compiler
+ */
+#define _CRTAPI1 __cdecl
+#define _CRTAPI2 __cdecl
+
+#elif ( _MSC_VER == 600 )
+
+/*
+ * Definitions for old MS C6-386 compiler
+ */
+#define _CRTAPI1 _cdecl
+#define _CRTAPI2 _cdecl
+#define _M_IX86  300
+
+#else
+
+/*
+ * Other compilers (e.g., MIPS)
+ */
+#define _CRTAPI1
+#define _CRTAPI2
 
-#ifndef _JMP_BUF_DEFINED
-typedef  int  jmp_buf[6];
-#define _JMP_BUF_DEFINED
 #endif
 
 
 
 
 /*
- * _setjmp compiler intrinsic does not work with current Win32
- * implementation so map it to setjmp
+ * Definitions specific to particular setjmp implementations.
+ */
+#ifdef	_M_IX86
+
+/*
+ * MS C8-32 or older MS C6-386 compilers
+ */
+#define setjmp	_setjmp
+#define _JBLEN	8
+
+#else
+
+#ifdef	M_MRX000
+/*
+ * Old prototype MS-MIPS compiler
+ */
+#pragma intrinsic(_setjmp)
+#define setjmp _setjmp
+
+#else
+/*
+ * Assume compiler implements setjmp as a function
  */
 #define _setjmp setjmp
 
+#endif
+#endif
+
+
+#if	( defined(_M_RX000) || defined(M_MRX000) || defined(MIPS) || defined(MIPS) )
+/*
+ * All MIPS implementation need _JBLEN of 2
+ */
+#define _JBLEN	2
+
+#endif
+
+
 
 
+/* define the buffer type for holding the state information */
+
+#ifndef _JMP_BUF_DEFINED
+typedef  int  jmp_buf[_JBLEN];
+#define _JMP_BUF_DEFINED
+#endif
 
 
 /* function prototypes */
 
-int _setjmp(jmp_buf);
-void longjmp(jmp_buf, int);
+int _CRTAPI1 _setjmp(jmp_buf);
+void _CRTAPI1 longjmp(jmp_buf, int);
 
 #endif	/* __cplusplus */