macros.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon 
   24  * the rights to redistribute these changes.
   25  */
   26 
   27 /*
   28  * HISTORY
   29  * $Log:        macros.h,v $
   30  * Revision 2.3  91/07/31  18:02:19  dbg
   31  *      Changed copyright.
   32  *      [91/07/31            dbg]
   33  * 
   34  * Revision 2.2  91/05/08  12:57:21  dbg
   35  *      Created.
   36  *      [91/04/26  14:53:43  dbg]
   37  * 
   38  */
   39 
   40 /*
   41  * Commonly used macros.
   42  */
   43 #ifndef _SQT_MACROS_H_
   44 #define _SQT_MACROS_H_
   45 
   46 #define MIN(x,y)        ( ((x) < (y)) ? (x) : (y) )
   47 #define MAX(x,y)        ( ((x) > (y)) ? (x) : (y) )
   48 
   49 #define howmany(x,y)    (((x) + (y) - 1)/(y))
   50 #define roundup(x,y)    (howmany(x,y)*(y))
   51 
   52 #endif  _SQT_MACROS_H_

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FreeBSD/Linux Kernel Cross Reference sys/sqt/macros.h

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sys/sqt/macros.h