usr/src/cmd/cmd-inet/usr.bin/telnet/general.h

   1 /*
   2  * Copyright (c) 1988, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)general.h   8.1 (Berkeley) 6/6/93
  34  *
  35  * Copyright (c) 2001 by Sun Microsystems, Inc.
  36  * All rights reserved.
  37  */
  38
  39 #ifndef _GENERAL_H
  40 #define _GENERAL_H
  41
  42 #pragma ident   "%Z%%M% %I%     %E% SMI"
  43
  44 #ifdef  __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 /*
  49  * Some general definitions.
  50  */
  51
  52
  53 #define numberof(x)     (sizeof (x)/sizeof (x[0]))
  54 #define highestof(x)    (numberof(x)-1)
  55
  56 #define ClearElement(x)         ((void) memset(&x, 0, sizeof (x)))
  57 #define ClearArray(x)           ((void) memset(x, 0, sizeof (x)))
  58
  59 #ifdef  __cplusplus
  60 }
  61 #endif
  62
  63 #endif  /* _GENERAL_H */