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 1997 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
*** 28,39 ****
  /*        All Rights Reserved   */
  
  #ifndef _SYS_DL_H
  #define _SYS_DL_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include <sys/isa_defs.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
--- 30,39 ----
*** 46,72 ****
          int     dl_hop;
          uint_t  dl_lop;
  #endif
  } dl_t;
  
- #ifdef __STDC__
  extern dl_t     ladd(dl_t, dl_t);
  extern dl_t     lsub(dl_t, dl_t);
  extern dl_t     lmul(dl_t, dl_t);
  extern dl_t     ldivide(dl_t, dl_t);
  extern dl_t     lshiftl(dl_t, int);
  extern dl_t     llog10(dl_t);
  extern dl_t     lexp10(dl_t);
- #else
- extern dl_t     ladd();
- extern dl_t     lsub();
- extern dl_t     lmul();
- extern dl_t     ldivide();
- extern dl_t     lshiftl();
- extern dl_t     llog10();
- extern dl_t     lexp10();
- #endif  /* __STDC__ */
  
  extern dl_t     lzero;
  extern dl_t     lone;
  extern dl_t     lten;
  
--- 46,62 ----