| 1 | /* |
| 2 | * Some general definitions. |
| 3 | */ |
| 4 | |
| 5 | |
| 6 | #define numberof(x) (sizeof x/sizeof x[0]) |
| 7 | #define highestof(x) (numberof(x)-1) |
| 8 | |
| 9 | #if defined(unix) |
| 10 | #define ClearElement(x) bzero((char *)&x, sizeof x) |
| 11 | #define ClearArray(x) bzero((char *)x, sizeof x) |
| 12 | #else /* defined(unix) */ |
| 13 | #define ClearElement(x) memset((char *)&x, 0, sizeof x) |
| 14 | #define ClearArray(x) memset((char *)x, 0, sizeof x) |
| 15 | #endif /* defined(unix) */ |
| 16 | |
| 17 | #if defined(unix) /* Define BSD equivalent mem* functions */ |
| 18 | #define memcpy(dest,src,n) bcopy(src,dest,n) |
| 19 | #define memmove(dest,src,n) bcopy(src,dest,n) |
| 20 | #define memset(s,c,n) if (c == 0) { \ |
| 21 | bzero(s,n); \ |
| 22 | } else { \ |
| 23 | register char *src = s; \ |
| 24 | register int count = n; \ |
| 25 | \ |
| 26 | while (count--) { \ |
| 27 | *src++ = c; \ |
| 28 | } \ |
| 29 | } |
| 30 | #define memcmp(s1,s2,n) bcmp(s1,s2,n) |
| 31 | #endif /* defined(unix) */ |