44     ll_p->head = NULL;  in lv_ll_init()
64         node_set_prev(ll_p, n_new, NULL);       /*No prev. before the new head*/  in lv_ll_ins_head()
65         node_set_next(ll_p, n_new, ll_p->head); /*After new comes the old head*/  in lv_ll_ins_head()
67         if(ll_p->head != NULL) { /*If there is old head then before it goes the new*/  in lv_ll_ins_head()
68             node_set_prev(ll_p, ll_p->head, n_new);  in lv_ll_ins_head()
71         ll_p->head = n_new;      /*Set the new head in the dsc.*/  in lv_ll_ins_head()
119         if(ll_p->head == NULL) { /*If there is no head (1. node) set the head too*/  in lv_ll_ins_tail()
120             ll_p->head = n_new;  in lv_ll_ins_tail()
132         /*The new head will be the node after 'node_p'*/  in lv_ll_remove()
133         ll_p->head = lv_ll_get_next(ll_p, node_p);  in lv_ll_remove()
134         if(ll_p->head == NULL) {  in lv_ll_remove()
138             node_set_prev(ll_p, ll_p->head, NULL);  in lv_ll_remove()
145             ll_p->head = NULL;  in lv_ll_remove()
181 void lv_ll_chg_list(lv_ll_t * ll_ori_p, lv_ll_t * ll_new_p, void * node, bool head)  in lv_ll_chg_list()  argument
185     if(head) {  in lv_ll_chg_list()
186         /*Set node as head*/  in lv_ll_chg_list()
188         node_set_next(ll_new_p, node, ll_new_p->head);  in lv_ll_chg_list()
190         if(ll_new_p->head != NULL) { /*If there is old head then before it goes the new*/  in lv_ll_chg_list()
191             node_set_prev(ll_new_p, ll_new_p->head, node);  in lv_ll_chg_list()
194         ll_new_p->head = node;       /*Set the new head in the dsc.*/  in lv_ll_chg_list()
209         if(ll_new_p->head == NULL) { /*If there is no head (first node) set the head too*/  in lv_ll_chg_list()
210             ll_new_p->head = node;  in lv_ll_chg_list()
218     return ll_p->head;  in lv_ll_get_head()
281     /*If `n_act` was moved before `NULL` then it's the new head*/  in lv_ll_move_before()
282     if(n_before == NULL) ll_p->head = n_act;  in lv_ll_move_before()
289     if(ll_p->head == NULL && ll_p->tail == NULL) return true;  in lv_ll_is_empty()