130674Sminshall /* 230674Sminshall * Some general definitions. 3*31893Sminshall * 4*31893Sminshall * @(#)general.h 1.9 (Berkeley) 07/17/87 530674Sminshall */ 630674Sminshall 730674Sminshall 830674Sminshall #define numberof(x) (sizeof x/sizeof x[0]) 930674Sminshall #define highestof(x) (numberof(x)-1) 1030723Sminshall 1131092Sminshall #if defined(unix) 1231092Sminshall #define ClearElement(x) bzero((char *)&x, sizeof x) 1330723Sminshall #define ClearArray(x) bzero((char *)x, sizeof x) 1431092Sminshall #else /* defined(unix) */ 1531157Sminshall #define ClearElement(x) memset((char *)&x, 0, sizeof x) 1631092Sminshall #define ClearArray(x) memset((char *)x, 0, sizeof x) 1731092Sminshall #endif /* defined(unix) */ 1831092Sminshall 1931092Sminshall #if defined(unix) /* Define BSD equivalent mem* functions */ 2031092Sminshall #define memcpy(dest,src,n) bcopy(src,dest,n) 2131092Sminshall #define memmove(dest,src,n) bcopy(src,dest,n) 2231092Sminshall #define memset(s,c,n) if (c == 0) { \ 2331092Sminshall bzero(s,n); \ 2431092Sminshall } else { \ 2531174Sminshall register char *src = s; \ 2631174Sminshall register int count = n; \ 2731174Sminshall \ 2831174Sminshall while (count--) { \ 2931174Sminshall *src++ = c; \ 3031174Sminshall } \ 3131092Sminshall } 3231248Sminshall #define memcmp(s1,s2,n) bcmp(s1,s2,n) 3331092Sminshall #endif /* defined(unix) */ 34