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_STDLIB_C99_H
  #define _ISO_STDLIB_C99_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  /*
--- 38,47 ----
*** 57,68 ****
          long long       quot;
          long long       rem;
  } lldiv_t;
  #endif  /* defined(_LONGLONG_TYPE) */
  
- #ifdef __STDC__
- 
  #if (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
          defined(_STDC_C99) || defined(__EXTENSIONS__)
  
  extern void _Exit(int);
  extern float strtof(const char *_RESTRICT_KYWD, char **_RESTRICT_KYWD);
--- 57,66 ----
*** 78,107 ****
          char **_RESTRICT_KYWD, int);
  #endif /* defined(_LONGLONG_TYPE) */
  
  #endif  /* (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) ... */
  
- #else /* __STDC__ */
- 
- #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
- 
- extern void _Exit();
- extern float strtof();
- extern long double strtold();
- 
- #if defined(_LONGLONG_TYPE)
- extern long long atoll();
- extern long long llabs();
- extern lldiv_t lldiv();
- extern long long strtoll();
- extern unsigned long long strtoull();
- #endif /* defined(_LONGLONG_TYPE) */
- 
- #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6)... */
- 
- #endif /* __STDC__ */
- 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _ISO_STDLIB_C99_H */
--- 76,85 ----