- for (; ((uintptr_t)s & ALIGN) && *s && *s != c; s++);
- if (*s && *s != c) {
- const size_t *w;
- size_t k = ONES * c;
- for (w = (const void *)s; !HASZERO(*w) && !HASZERO(*w^k); w++);
- for (s = (const void *)w; *s && *s != c; s++);
- }
- return *s ? (char *)s : 0;
+
+ for (; ((uintptr_t)s & ALIGN); s++)
+ if (*(unsigned char *)s == c) return (char *)s;
+ else if (!*s) return 0;
+ k = ONES * c;
+ for (w = (void *)s; !HASZERO(*w) && !HASZERO(*w^k); w++);
+ for (s = (void *)w; *s; s++)
+ if (*(unsigned char *)s == c) return (char *)s;
+ return 0;