130674Sminshall /*
230674Sminshall  * Some general definitions.
330674Sminshall  */
430674Sminshall 
530674Sminshall 
630674Sminshall #define	numberof(x)	(sizeof x/sizeof x[0])
730674Sminshall #define	highestof(x)	(numberof(x)-1)
830723Sminshall 
9*31092Sminshall #if	defined(unix)
10*31092Sminshall #define	ClearElement(x)		bzero((char *)&x, sizeof x)
1130723Sminshall #define	ClearArray(x)		bzero((char *)x, sizeof x)
12*31092Sminshall #else	/* defined(unix) */
13*31092Sminshall #define	ClearStructure(x)	memset((char *)&x, 0, sizeof x)
14*31092Sminshall #define	ClearArray(x)		memset((char *)x, 0, sizeof x)
15*31092Sminshall #endif	/* defined(unix) */
16*31092Sminshall 
17*31092Sminshall #if	defined(unix)		/* Define BSD equivalent mem* functions */
18*31092Sminshall #define	memcpy(dest,src,n)	bcopy(src,dest,n)
19*31092Sminshall #define	memmove(dest,src,n)	bcopy(src,dest,n)
20*31092Sminshall #define	memset(s,c,n)		if (c == 0) { \
21*31092Sminshall 				    bzero(s,n); \
22*31092Sminshall 				} else { \
23*31092Sminshall 				    char buffer[100]; \
24*31092Sminshall 				    \
25*31092Sminshall 				    sprintf( \
26*31092Sminshall 				    "Attempt to use memchr(, != 0,) in %s, %s.\n, \
27*31092Sminshall 						__FILE__, __LINE__); \
28*31092Sminshall 				    ExitString(stderr, buffer, 1); \
29*31092Sminshall 				}
30*31092Sminshall #endif	/* defined(unix) */
31