remove support for non-ANSI compilation

*** 18,27 ****
--- 18,29 ----
   * 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.
   */
  
  /*
*** 36,47 ****
   */
  
  #ifndef _ISO_WCHAR_C99_H
  #define _ISO_WCHAR_C99_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  /* Introduced in ISO/IEC 9899:1999 standard */
--- 38,47 ----
*** 56,67 ****
  #define vswscanf        _vswscanf_c89
  #define vwscanf         _vwscanf_c89
  #endif
  #endif /* !defined(_LP64) && !defined(_LONGLONG_TYPE) */
  
- #ifdef __STDC__
- 
  #if defined(_STDC_C99) || \
          (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
          defined(_XPG6) || defined(__EXTENSIONS__)
  extern int vfwscanf(__FILE *_RESTRICT_KYWD, const wchar_t *_RESTRICT_KYWD,
                  __va_list);
--- 56,65 ----
*** 79,102 ****
                  wchar_t **_RESTRICT_KYWD, int);
  #endif /* defined(_LONGLONG_TYPE) */
  
  #endif /* defined(_STDC_C99) || (!defined(_STRICT_STDC)... */
  
- #else /* __STDC__ */
- 
- #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
- extern int      vfwscanf();
- extern int      vswscanf();
- extern int      vwscanf();
- extern float    wcstof();
- extern long double wcstold();
- extern long int wcstoll();
- extern long int wcstoull();
- #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) ... */
- 
- #endif /* __STDC__ */
- 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _ISO_WCHAR_C99_H */
--- 77,86 ----