/* clear - clear a block of memory, and try to do it fast. */ #include #include "in_all.h" /* instead of Calloc: */ EXPORT clear(ptr, n) register char *ptr; register int n; { register long *q = (long *) ptr; assert((long)q % sizeof (long) == 0); while (n >= sizeof (long)) { /* high-speed clear loop */ *q++ = 0; n -= sizeof (long); } ptr = (char *) q; while (n--) *ptr++ = '\0'; }