remove support for non-ANSI compilation

*** 22,37 ****
  /*      wctype.h        1.13 89/11/02 SMI; JLE  */
  /*      from AT&T JAE 2.1                       */
  /*      definitions for international functions */
  
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
- /*
-  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
-  */
  
  /*
   * An application should not include this header directly.  Instead it
   * should be included only through the inclusion of other Sun headers.
   *
--- 22,36 ----
  /*      wctype.h        1.13 89/11/02 SMI; JLE  */
  /*      from AT&T JAE 2.1                       */
  /*      definitions for international functions */
  
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
   * An application should not include this header directly.  Instead it
   * should be included only through the inclusion of other Sun headers.
   *
*** 81,91 ****
  #define WEOF    ((wint_t)(-1))
  #endif
  #endif /* WEOF */
  #endif /* not XPG4 and not XPG4v2 */
  
- #ifdef __STDC__
  extern  int iswalnum(wint_t);
  extern  int iswalpha(wint_t);
  extern  int iswcntrl(wint_t);
  extern  int iswdigit(wint_t);
  extern  int iswgraph(wint_t);
--- 80,89 ----
*** 106,138 ****
  extern  wint_t towupper(wint_t);
  extern  wctrans_t wctrans(const char *);
  extern  wint_t towctrans(wint_t, wctrans_t);
  extern  int iswctype(wint_t, wctype_t);
  extern  wctype_t wctype(const char *);
- #else   /* __STDC__ */
- extern  int iswalnum();
- extern  int iswalpha();
- extern  int iswcntrl();
- extern  int iswdigit();
- extern  int iswgraph();
- extern  int iswlower();
- extern  int iswprint();
- extern  int iswpunct();
- extern  int iswspace();
- extern  int iswupper();
- extern  int iswxdigit();
- /* tow* also become functions */
- extern  wint_t towlower();
- extern  wint_t towupper();
- extern  wctrans_t wctrans();
- extern  wint_t towctrans();
- extern  int iswctype();
- extern  wctype_t wctype();
- #if defined(_XPG6) || !defined(_STRICT_SYMBOLS)
- extern  int iswblank();
- #endif
- #endif  /* __STDC__ */
  
  /* bit definition for character class */
  
  #define _E1     0x00000100      /* phonogram (international use) */
  #define _E2     0x00000200      /* ideogram (international use) */
--- 104,113 ----