#define get_block_border_head(info, bl) _get_block_border_head(info, bl)
#define foreach_border_head(head, pos) list_for_each_entry_reverse(border_t, pos, head, list)
#define get_block_border_head(info, bl) _get_block_border_head(info, bl)
#define foreach_border_head(head, pos) list_for_each_entry_reverse(border_t, pos, head, list)