Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

buffer : tou_block_store_struct
dat1 : tou_llist_t
dat2 : tou_llist_t
destroy_dat1 : tou_llist_t
destroy_dat2 : tou_llist_t
next : tou_llist_t
prev : tou_llist_t
size : tou_block_store_struct