remove support for non-ANSI compilation

*** 18,36 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_INT_LIMITS_H
  #define _SYS_INT_LIMITS_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * This file, <sys/int_limits.h>, is part of the Sun Microsystems implementation
   * of <inttypes.h> as defined in the ISO C standard, ISO/IEC 9899:1999
   * Programming language - C.
   *
--- 18,36 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _SYS_INT_LIMITS_H
  #define _SYS_INT_LIMITS_H
  
  /*
   * This file, <sys/int_limits.h>, is part of the Sun Microsystems implementation
   * of <inttypes.h> as defined in the ISO C standard, ISO/IEC 9899:1999
   * Programming language - C.
   *
*** 78,90 ****
   *
   * The types int8_t, int_least8_t, and int_fast8_t are not defined for ISAs
   * where the ABI specifies "char" as unsigned when the translation mode is
   * not ANSI-C.
   */
- #if defined(_CHAR_IS_SIGNED) || defined(__STDC__)
  #define INT8_MAX        (127)
- #endif
  #define INT16_MAX       (32767)
  #define INT32_MAX       (2147483647)
  #if defined(_LP64)
  #define INT64_MAX       (9223372036854775807L)
  #elif defined(_LONGLONG_TYPE)
--- 78,88 ----
*** 110,122 ****
  #define UINTMAX_MAX     UINT64_MAX
  #else
  #define UINTMAX_MAX     UINT32_MAX
  #endif
  
- #if defined(_CHAR_IS_SIGNED) || defined(__STDC__)
  #define INT_LEAST8_MAX  INT8_MAX
- #endif
  #define INT_LEAST16_MAX INT16_MAX
  #define INT_LEAST32_MAX INT32_MAX
  #ifdef INT64_MAX
  #define INT_LEAST64_MAX INT64_MAX
  #endif
--- 108,118 ----
*** 126,138 ****
  #define UINT_LEAST32_MAX UINT32_MAX
  #ifdef UINT64_MAX
  #define UINT_LEAST64_MAX UINT64_MAX
  #endif
  
- #if defined(_CHAR_IS_SIGNED) || defined(__STDC__)
  #define INT_FAST8_MAX   INT8_MAX
- #endif
  #define INT_FAST16_MAX INT16_MAX
  #define INT_FAST32_MAX INT32_MAX
  #ifdef INT64_MAX
  #define INT_FAST64_MAX INT64_MAX
  #endif
--- 122,132 ----
*** 202,214 ****
   * when including <limits.h> that the suffix _MAX is reserved but not the
   * suffix _MIN.  However, until that issue is resolved....
   */
  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || defined(_XPG6)
  
- #if defined(_CHAR_IS_SIGNED) || defined(__STDC__)
  #define INT8_MIN        (-128)
- #endif
  #define INT16_MIN       (-32767-1)
  #define INT32_MIN       (-2147483647-1)
  #if defined(_LP64)
  #define INT64_MIN       (-9223372036854775807L-1)
  #elif defined(_LONGLONG_TYPE)
--- 196,206 ----
*** 219,240 ****
  #define INTMAX_MIN      INT64_MIN
  #else
  #define INTMAX_MIN      INT32_MIN
  #endif
  
- #if defined(_CHAR_IS_SIGNED) || defined(__STDC__)
  #define INT_LEAST8_MIN  INT8_MIN
- #endif
  #define INT_LEAST16_MIN INT16_MIN
  #define INT_LEAST32_MIN INT32_MIN
  #ifdef INT64_MIN
  #define INT_LEAST64_MIN INT64_MIN
  #endif
  
- #if defined(_CHAR_IS_SIGNED) || defined(__STDC__)
  #define INT_FAST8_MIN   INT8_MIN
- #endif
  #define INT_FAST16_MIN  INT16_MIN
  #define INT_FAST32_MIN INT32_MIN
  #ifdef INT64_MIN
  #define INT_FAST64_MIN  INT64_MIN
  #endif
--- 211,228 ----