remove support for non-ANSI compilation

*** 17,51 ****
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
  
- 
  #ifndef _PW_H
  #define _PW_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.2   */
- 
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
- #if defined(__STDC__)
- 
  extern char *logname(void);
  extern char *regcmp(const char *, ...);
  extern char *regex(const char *, const char *, ...);
- #else
- extern char *logname();
- extern char *regcmp();
- extern char *regex();
  
- #endif
- 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _PW_H */
--- 17,43 ----
   * 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) 1988 AT&T */
  /*        All Rights Reserved   */
  
  #ifndef _PW_H
  #define _PW_H
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  extern char *logname(void);
  extern char *regcmp(const char *, ...);
  extern char *regex(const char *, const char *, ...);
  
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _PW_H */