struct psi_layout {
size_t pos;
size_t len;
+ struct psi_layout *bfw;
};
-struct psi_layout *psi_layout_init(size_t pos, size_t len);
+struct psi_layout *psi_layout_init(size_t pos, size_t len, struct psi_layout *bfw);
void psi_layout_free(struct psi_layout **l_ptr);
int psi_layout_sort_cmp(const void *_a, const void *_b);