Function adjust

system/lib/llvm-libc/src/string/memory_utils/utils.h:296–301

// same amount.
template <typename T1, typename T2>
LIBC_INLINE void adjust(ptrdiff_t offset, T1 *__restrict &p1,
                        T2 *__restrict &p2, size_t &count) {
  p1 += offset;
  p2 += offset;
  count -= static_cast<size_t>(offset);
}

// Advances p1 and p2 so p1 gets aligned to the next SIZE bytes boundary
// and decrease count by the same amount.