tail 9 bidlist.c ret->tail = NULL; tail 18 bidlist.c newnode->prev = blist->tail; tail 20 bidlist.c if(blist->tail != NULL){ tail 21 bidlist.c blist->tail->next = newnode; tail 23 bidlist.c blist->tail = newnode; tail 40 bidlist.c blist->tail = prev; tail 13 bidlist.h bidnode* tail; tail 34 scenario.c bidlistsetmark(scenario, scenario->tail);