1: /*
2: ** USEFUL.H -- Some useful stuff.
3: **
4: ** @(#)useful.h 4.1.1 1997/10/2
5: */
6:
7: # ifndef makedev
8: # include <sys/types.h>
9: # endif
10:
11: /* support for bool type */
12: typedef char bool;
13: # define TRUE 1
14: # define FALSE 0
15:
16: # ifndef NULL
17: # define NULL 0
18: # endif NULL
19:
20: /* bit hacking */
21: # define bitset(bit, word) (((word) & (bit)) != 0)
22:
23: /* some simple functions */
24: # ifndef max
25: # define max(a, b) ((a) > (b) ? (a) : (b))
26: # define min(a, b) ((a) < (b) ? (a) : (b))
27: # endif max
28:
29: /* assertions */
30: # ifndef NASSERT
31: # define ASSERT(expr, msg, parm)\
32: if (!(expr))\
33: {\
34: fprintf(stderr, "assertion botch: %s:%d: ", __FILE__, __LINE__);\
35: fprintf(stderr, msg, parm);\
36: }
37: # else NASSERT
38: # define ASSERT(expr, msg, parm)
39: # endif NASSERT
40:
41: /* sccs id's */
42: # ifndef lint
43: # define SCCSID(arg) static char SccsId[] = "arg";
44: # else lint
45: # define SCCSID(arg)
46: # endif lint
47:
48: # ifndef VMUNIX
49: typedef unsigned short u_short;
50: typedef long u_long;
51: typedef char u_char;
52: typedef int void;
53: # endif VMUNIX
Defined typedef's
bool
defined in line
12;
never used
Defined macros
FALSE
defined in line
14;
never used
NULL
defined in line
17; used 1 times
TRUE
defined in line
13;
never used
max
defined in line
25; used 1 times
min
defined in line
26;
never used