SIZEOF_WCHAR_STRING
SIZEOF_WCHAR_STRING(bws->wdata.len));
(SIZEOF_WCHAR_STRING(bws->wdata.len + 1) + sizeof(struct bwstring)));
sizeof(struct bwstring) + SIZEOF_WCHAR_STRING(sz + 1));
SIZEOF_WCHAR_STRING(s->wdata.len));
memcpy(ret->wdata.str, str, SIZEOF_WCHAR_STRING(len));
SIZEOF_WCHAR_STRING(nums));
res = memcmp(s1, s2, SIZEOF_WCHAR_STRING(cmp_len));
m = sort_malloc(SIZEOF_WCHAR_STRING(len + 1));