remove support for non-ANSI compilation

*** 23,32 ****
--- 23,33 ----
  /*      from AT&T JAE 2.1                       */
  /*      definitions for international functions */
  
  /*
   * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _WCTYPE_H
*** 102,112 ****
  
  /* iswascii is still a macro */
  #define iswascii(c)     isascii(c)
  
  /* isw*, except iswascii(), are not macros any more.  They become functions */
- #ifdef __STDC__
  
  /* is* also become functions */
  extern  int isphonogram(wint_t);
  extern  int isideogram(wint_t);
  extern  int isenglish(wint_t);
--- 103,112 ----
*** 117,141 ****
  extern  int iswphonogram(wint_t);
  extern  int iswnumber(wint_t);
  extern  int iswhexnumber(wint_t);
  extern  int iswspecial(wint_t);
  
- #else   /* __STDC__ */
- 
- /* is* also become functions */
- extern  int isphonogram();
- extern  int isideogram();
- extern  int isenglish();
- extern  int isnumber();
- extern  int isspecial();
- /* From BSD/MacOS */
- extern  int iswideogram();
- extern  int iswphonogram();
- extern  int iswnumber();
- extern  int iswspecial();
- #endif
- 
  #define iscodeset0(c)   isascii(c)
  #define iscodeset1(c)   (((c) & WCHAR_CSMASK) == WCHAR_CS1)
  #define iscodeset2(c)   (((c) & WCHAR_CSMASK) == WCHAR_CS2)
  #define iscodeset3(c)   (((c) & WCHAR_CSMASK) == WCHAR_CS3)
  
--- 117,126 ----
*** 148,158 ****
  #ifndef _LOCALE_T
  #define _LOCALE_T
  typedef struct _locale *locale_t;
  #endif
  
- #if     defined(__STDC__)
  extern wint_t towlower_l(wint_t, locale_t);
  extern wint_t towupper_l(wint_t, locale_t);
  extern wint_t towctrans_l(wint_t, wctrans_t, locale_t);
  extern int iswctype_l(wint_t, wctype_t, locale_t);
  extern int iswalnum_l(wint_t, locale_t);
--- 133,142 ----
*** 166,194 ****
  extern int iswspace_l(wint_t, locale_t);
  extern int iswupper_l(wint_t, locale_t);
  extern int iswxdigit_l(wint_t, locale_t);
  extern wctrans_t wctrans_l(const char *, locale_t);
  extern wctype_t wctype_l(const char *, locale_t);
- #else   /* __STDC__ */
- extern wint_t towlower_l();
- extern wint_t towupper_l();
- extern wint_t towctrans_l();
- extern int iswctype_l();
- extern int iswalnum_l();
- extern int iswalpha_l();
- extern int iswcntrl_l();
- extern int iswdigit_l();
- extern int iswgraph_l();
- extern int iswlower_l();
- extern int iswprint_l();
- extern int iswpunct_l();
- extern int iswspace_l();
- extern int iswupper_l();
- extern int iswxdigit_l();
- extern wctrans_t wctrans_l();
- extern wctype_t wctype_l();
- #endif  /* __STDC__ */
  #endif /* defined(_XPG7) || !defined(_STRICT_SYMBOLS) */
  
  #ifdef  __cplusplus
  }
  #endif
--- 150,159 ----