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 931092Sminshall #if defined(unix) 1031092Sminshall #define ClearElement(x) bzero((char *)&x, sizeof x) 1130723Sminshall #define ClearArray(x) bzero((char *)x, sizeof x) 1231092Sminshall #else /* defined(unix) */ 1331157Sminshall #define ClearElement(x) memset((char *)&x, 0, sizeof x) 1431092Sminshall #define ClearArray(x) memset((char *)x, 0, sizeof x) 1531092Sminshall #endif /* defined(unix) */ 1631092Sminshall 1731092Sminshall #if defined(unix) /* Define BSD equivalent mem* functions */ 1831092Sminshall #define memcpy(dest,src,n) bcopy(src,dest,n) 1931092Sminshall #define memmove(dest,src,n) bcopy(src,dest,n) 2031092Sminshall #define memset(s,c,n) if (c == 0) { \ 2131092Sminshall bzero(s,n); \ 2231092Sminshall } else { \ 23*31174Sminshall register char *src = s; \ 24*31174Sminshall register int count = n; \ 25*31174Sminshall \ 26*31174Sminshall while (count--) { \ 27*31174Sminshall *src++ = c; \ 28*31174Sminshall } \ 2931092Sminshall } 3031092Sminshall #endif /* defined(unix) */ 31