prev 18 bidlist.c newnode->prev = blist->tail; prev 32 bidlist.c bidnode* prev = node->prev; prev 38 bidlist.c next->prev = prev; prev 40 bidlist.c blist->tail = prev; prev 42 bidlist.c if(prev!= NULL){ prev 43 bidlist.c prev->next = next; prev 6 bidlist.h struct bidnode* prev;