* Copyright (c) 1988 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* @(#)useful.h 4.4 (Berkeley) %G%
/* support for bool type */
# define bitset(bit, word) (((word) & (bit)) != 0)
/* some simple functions */
# define max(a, b) ((a) > (b) ? (a) : (b))
# define min(a, b) ((a) < (b) ? (a) : (b))
# define ASSERT(expr, msg, parm)\
fprintf(stderr, "assertion botch: %s:%d: ", __FILE__, __LINE__);\
fprintf(stderr, msg, parm);\
# define ASSERT(expr, msg, parm)
# define SCCSID(arg) static char SccsId[] = "arg";
/* define the types of some common functions */
extern char *strcpy(), *strncpy();
extern char *strcat(), *strncat();
extern char *index(), *rindex();
typedef unsigned short u_short
;