126 typedef struct pan_block {  struct
137         struct pan_block *successors[2];  argument
146 } pan_block;  argument
156         pan_block *v; \
157         pan_block **_v; \
158         for (_v = (pan_block **) &blk->successors[0], \
160                 v != NULL && _v < (pan_block **) &blk->successors[2]; \
165         struct pan_block *v; \
167                 v = (struct pan_block *) (_entry_##v ? _entry_##v->key : NULL);  \
170                 v = (struct pan_block *) (_entry_##v ? _entry_##v->key : NULL))
172 static inline pan_block *
175         pan_block *last = list_last_entry(blocks, pan_block, link);  in pan_exit_block()
195 void pan_block_add_successor(pan_block *block, pan_block *successor);