#define HIGHS (ONES * (UCHAR_MAX/2+1))
#define HASZERO(x) ((x)-ONES & ~(x) & HIGHS)
-void *memccpy(void *dest, const void *src, int c, size_t n)
+void *memccpy(void *restrict dest, const void *restrict src, int c, size_t n)
{
unsigned char *d = dest;
const unsigned char *s = src;
k = ONES * c;
wd=(void *)d; ws=(const void *)s;
for (; n>=sizeof(size_t) && !HASZERO(*ws^k);
- n-=sizeof(size_t), ws++, *wd++) *wd = *ws;
+ n-=sizeof(size_t), ws++, wd++) *wd = *ws;
d=(void *)wd; s=(const void *)ws;
}
for (; n && (*d=*s)!=c; n--, s++, d++);