zprop_width
size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL);
size_t zprop_width(int, boolean_t *, zfs_type_t);
entry->pl_width = zprop_width(prop, &entry->pl_fixed,
entry->pl_width = zprop_width(prop, &entry->pl_fixed, edp->type);
entry->pl_width = zprop_width(entry->pl_prop,