--- mstools/h/limits.h	2018/08/09 18:20:01	1.1
+++ mstools/h/limits.h	2018/08/09 18:23:09	1.1.1.4
@@ -1,7 +1,7 @@
 /***
 *limits.h - implementation dependent values
 *
-*	Copyright (c) 1985-1991, Microsoft Corporation.  All rights reserved.
+*	Copyright (c) 1985-1993, Microsoft Corporation.	 All rights reserved.
 *
 *Purpose:
 *	Contains defines for a number of implementation dependent values
@@ -13,26 +13,58 @@
 #ifndef _INC_LIMITS
 
 #define CHAR_BIT	  8		/* number of bits in a char */
-#define SCHAR_MIN	(-127)		/* minimum signed char value */
+#define SCHAR_MIN	(-128)		/* minimum signed char value */
 #define SCHAR_MAX	  127		/* maximum signed char value */
 #define UCHAR_MAX	  0xff		/* maximum unsigned char value */
+
 #ifndef _CHAR_UNSIGNED
 #define CHAR_MIN	SCHAR_MIN	/* mimimum char value */
 #define CHAR_MAX	SCHAR_MAX	/* maximum char value */
 #else
 #define CHAR_MIN	  0
 #define CHAR_MAX	UCHAR_MAX
-#endif
+#endif /* _CHAR_UNSIGNED */
+
 #define	MB_LEN_MAX	  2		/* max. # bytes in multibyte char */
-#define SHRT_MIN	(-32767)	/* minimum (signed) short value */
+#define SHRT_MIN	(-32768)	/* minimum (signed) short value */
 #define SHRT_MAX	  32767 	/* maximum (signed) short value */
 #define USHRT_MAX	  0xffff	/* maximum unsigned short value */
-#define INT_MIN 	(-2147483647)	/* minimum (signed) int value */
+#define INT_MIN 	(-2147483647 - 1) /* minimum (signed) int value */
 #define INT_MAX 	  2147483647	/* maximum (signed) int value */
 #define UINT_MAX	  0xffffffff	/* maximum unsigned int value */
-#define LONG_MIN	(-2147483647)	/* minimum (signed) long value */
+#define LONG_MIN	(-2147483647 - 1) /* minimum (signed) long value */
 #define LONG_MAX	  2147483647	/* maximum (signed) long value */
 #define ULONG_MAX	  0xffffffff	/* maximum unsigned long value */
 
+#ifdef _POSIX_
+
+#define _POSIX_ARG_MAX          4096
+#define _POSIX_CHILD_MAX        6
+#define _POSIX_LINK_MAX         8
+#define _POSIX_MAX_CANON        255
+#define _POSIX_MAX_INPUT        255
+#define _POSIX_NAME_MAX         14
+#define _POSIX_NGROUPS_MAX      0
+#define _POSIX_OPEN_MAX         16
+#define _POSIX_PATH_MAX         255
+#define _POSIX_PIPE_BUF         512
+#define _POSIX_SSIZE_MAX	32767
+#define _POSIX_STREAM_MAX	8
+#define _POSIX_TZNAME_MAX	3
+
+#define ARG_MAX                 14500	/* 16k heap, minus overhead */
+#define MAX_CANON               _POSIX_MAX_CANON
+#define MAX_INPUT               _POSIX_MAX_INPUT
+#define NAME_MAX		255
+#define NGROUPS_MAX             16
+#define OPEN_MAX                32
+#define PATH_MAX                512
+#define PIPE_BUF                _POSIX_PIPE_BUF
+#define SSIZE_MAX		_POSIX_SSIZE_MAX
+#define STREAM_MAX		20
+#define TZNAME_MAX		10
+
+#endif /* POSIX */
+
 #define _INC_LIMITS
 #endif	/* _INC_LIMITS */