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 _TIUSER_H
  #define _TIUSER_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.1   */
- 
  /*
   * TLI user interface definitions.
   */
  
  #include <sys/tiuser.h>
--- 17,36 ----
   * 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 _TIUSER_H
  #define _TIUSER_H
  
  /*
   * TLI user interface definitions.
   */
  
  #include <sys/tiuser.h>
*** 38,52 ****
  extern "C" {
  #endif
  
  #if defined(_REENTRANT) || defined(_TS_ERRNO) || \
          _POSIX_C_SOURCE - 0 >= 199506L
- #if defined(__STDC__)
  extern int      *__t_errno(void);
- #else
- extern int      *__t_errno();
- #endif
  #define t_errno (*(__t_errno()))
  #else
  extern int t_errno;
  #endif  /* defined(_REENTRANT) || defined(_TS_ERRNO) */
  
--- 39,49 ----