/*
* Some general definitions.
+ *
+ * @(#)general.h 1.9 (Berkeley) %G%
*/
#define numberof(x) (sizeof x/sizeof x[0])
#define highestof(x) (numberof(x)-1)
+
+#if defined(unix)
+#define ClearElement(x) bzero((char *)&x, sizeof x)
+#define ClearArray(x) bzero((char *)x, sizeof x)
+#else /* defined(unix) */
+#define ClearElement(x) memset((char *)&x, 0, sizeof x)
+#define ClearArray(x) memset((char *)x, 0, sizeof x)
+#endif /* defined(unix) */
+
+#if defined(unix) /* Define BSD equivalent mem* functions */
+#define memcpy(dest,src,n) bcopy(src,dest,n)
+#define memmove(dest,src,n) bcopy(src,dest,n)
+#define memset(s,c,n) if (c == 0) { \
+ bzero(s,n); \
+ } else { \
+ register char *src = s; \
+ register int count = n; \
+ \
+ while (count--) { \
+ *src++ = c; \
+ } \
+ }
+#define memcmp(s1,s2,n) bcmp(s1,s2,n)
+#endif /* defined(unix) */