TAILQ_PREV
(var) = TAILQ_PREV((var), headname, field))
(var) = TAILQ_PREV((var), headname, field))
(var) && ((tvar) = TAILQ_PREV((var), headname, field), 1); \
(var) && ((tvar) = TAILQ_PREV((var), headname, field), 1); \
sib_element = TAILQ_PREV(new_element, e820_table, chain);
(var) = TAILQ_PREV((var), headname, field))
(var) = TAILQ_PREV((var), headname, field))
((tvar) = TAILQ_PREV((var), headname, field), 1); \
((tvar) = TAILQ_PREV((var), headname, field), 1); \