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Annotation of 43BSDTahoe/usr.lib/sendmail/include/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
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  *
                     17:  *     @(#)useful.h    4.4 (Berkeley) 6/29/88
                     18:  */
                     19: 
                     20: # ifndef makedev
                     21: # include <sys/types.h>
                     22: # endif
                     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: # ifndef V6
                     70: extern char    *getenv();
                     71: # endif V6
                     72: # ifndef VMUNIX
                     73: typedef unsigned short u_short;
                     74: typedef long           u_long;
                     75: typedef char           u_char;
                     76: typedef int            void;
                     77: # endif VMUNIX

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