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Annotation of 43BSDReno/usr.sbin/sendmail/src/useful.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  *
        !            19:  *     @(#)useful.h    4.6 (Berkeley) 6/1/90
        !            20:  */
        !            21: 
        !            22: # include <sys/types.h>
        !            23: 
        !            24: /* support for bool type */
        !            25: typedef char   bool;
        !            26: # define TRUE  1
        !            27: # define FALSE 0
        !            28: 
        !            29: # ifndef NULL
        !            30: # define NULL  0
        !            31: # endif NULL
        !            32: 
        !            33: /* bit hacking */
        !            34: # define bitset(bit, word)     (((word) & (bit)) != 0)
        !            35: 
        !            36: /* some simple functions */
        !            37: # ifndef max
        !            38: # define max(a, b)     ((a) > (b) ? (a) : (b))
        !            39: # define min(a, b)     ((a) < (b) ? (a) : (b))
        !            40: # endif max
        !            41: 
        !            42: /* assertions */
        !            43: # ifndef NASSERT
        !            44: # define ASSERT(expr, msg, parm)\
        !            45:        if (!(expr))\
        !            46:        {\
        !            47:                fprintf(stderr, "assertion botch: %s:%d: ", __FILE__, __LINE__);\
        !            48:                fprintf(stderr, msg, parm);\
        !            49:        }
        !            50: # else NASSERT
        !            51: # define ASSERT(expr, msg, parm)
        !            52: # endif NASSERT
        !            53: 
        !            54: /* sccs id's */
        !            55: # ifndef lint
        !            56: # define SCCSID(arg)   static char SccsId[] = "arg";
        !            57: # else lint
        !            58: # define SCCSID(arg)
        !            59: # endif lint
        !            60: 
        !            61: /* define the types of some common functions */
        !            62: extern char    *strcpy(), *strncpy();
        !            63: extern char    *strcat(), *strncat();
        !            64: extern char    *malloc();
        !            65: extern char    *index(), *rindex();
        !            66: extern int     errno;
        !            67: extern time_t  time();
        !            68: extern char    *ctime();
        !            69: extern char    *getenv();

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