remove support for non-ANSI compilation

@@ -18,10 +18,12 @@
  * 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.
  */
 
 /*

@@ -140,15 +142,11 @@
         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;
 
 

@@ -155,28 +153,17 @@
 /*
  * 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 */