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 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
*** 140,154 ****
          struct _regex_ext_t *re_sc;     /* for binary compatibility */
  } regex_t;
  
  /* subexpression positions */
  typedef struct {
- #ifdef __STDC__
          const char      *rm_sp, *rm_ep; /* Start pointer, end pointer */
- #else
-         char            *rm_sp, *rm_ep; /* Start pointer, end pointer */
- #endif
          regoff_t        rm_so, rm_eo;   /* Start offset, end offset */
          int             rm_ss, rm_es;   /* Used internally */
  } regmatch_t;
  
  
--- 142,152 ----
*** 155,182 ****
  /*
   * Additional API and structs to support regular expression manipulations
   * on wide characters.
   */
  
- #if defined(__STDC__)
- 
  extern int regcomp(regex_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, int);
  extern int regexec(const regex_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
          size_t, regmatch_t *_RESTRICT_KYWD, int);
  extern size_t regerror(int, const regex_t *_RESTRICT_KYWD,
          char *_RESTRICT_KYWD, size_t);
  extern void regfree(regex_t *);
  
- #else  /* defined(__STDC__) */
- 
- extern int regcomp();
- extern int regexec();
- extern size_t regerror();
- extern void regfree();
- 
- #endif  /* defined(__STDC__) */
- 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _REGEX_H */
--- 153,169 ----