remove support for non-ANSI compilation

*** 17,35 ****
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
- 
  #ifndef _LIBW_H
  #define _LIBW_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.1   */
- 
  #include <stdlib.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
--- 17,35 ----
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
+ /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  #ifndef _LIBW_H
  #define _LIBW_H
  
  #include <stdlib.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
*** 42,56 ****
          short int _pcw;         /*      WIDE_CHAR width */
          char _multibyte;        /*      1=multi-byte, 0=single-byte     */
  } eucwidth_t;
  #endif
  
- #ifdef __STDC__
  void getwidth(eucwidth_t *);
- #else
- void getwidth();
- #endif  /* __STDC__ */
  
  #ifdef  __cplusplus
  }
  #endif
  
--- 42,52 ----