buf_to_int64
jattr->uid = buf_to_int64(buf, recsize);
jattr->gid = buf_to_int64(buf, recsize);
jattr->vtype = buf_to_int64(buf, recsize);
jattr->modes = buf_to_int64(buf, recsize);
jattr->fflags = buf_to_int64(buf, recsize);
jattr->pid = buf_to_int64(buf, recsize);
jattr->ppid = buf_to_int64(buf, recsize);
jattr->seekpos = buf_to_int64(buf, recsize);
jattr->inum = buf_to_int64(buf, recsize);
jattr->nlink = buf_to_int64(buf, recsize);
jattr->fsid = buf_to_int64(buf, recsize);
jattr->size = buf_to_int64(buf, recsize);
jattr->gen = buf_to_int64(buf, recsize);
jattr->flags = buf_to_int64(buf, recsize);
jattr->udev = buf_to_int64(buf, recsize);
jattr->filerev = buf_to_int64(buf, recsize);
int64_t buf_to_int64(const void *buf, int bytes);