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Annotation of 43BSDReno/usr.sbin/sendmail/src/useful.h, revision 1.1.1.1

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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