remove support for non-ANSI compilation

          --- old/usr/src/head/execinfo.h
          +++ new/usr/src/head/execinfo.h

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.

  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  /*
       22 + * Copyright 2014 Garrett D'Amore <garrett@damore.org>
       23 + *
  22   24   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23   25   * Use is subject to license terms.
  24   26   */
  25   27  
  26   28  #ifndef _EXECINFO_H
  27   29  #define _EXECINFO_H
  28   30  
  29      -#pragma ident   "%Z%%M% %I%     %E% SMI"
  30      -
  31   31  /*
  32   32   * These functions provide glibc-compatible backtrace functionality.
  33   33   * Improved functionality is available using Solaris-specific APIs;
  34   34   * see man page for walkcontext(), printstack() and addtosymstr().
  35   35   */
  36   36  #ifdef  __cplusplus
  37   37  extern "C" {
  38   38  #endif
  39   39  
  40      -#if defined(__STDC__)
  41   40  extern int backtrace(void **, int);
  42   41  extern char **backtrace_symbols(void *const *, int);
  43   42  extern void backtrace_symbols_fd(void *const *, int, int);
  44      -#else
  45      -extern int backtrace();
  46      -extern char **backtrace_symbols();
  47      -extern void backtrace_symbols_fd();
  48      -#endif
  49   43  
  50   44  #ifdef  __cplusplus
  51   45  }
  52   46  #endif
  53   47  
  54   48  #endif /* _EXECINFO_H */
    

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