/* Set the previous node pointer of a node.  */
static void ramfs_node_set_prev(ramfs_ll_t *ll, ramfs_ll_node_t *act, ramfs_ll_node_t *prev)
/* Set the previous node pointer of a node.  */
static void ramfs_node_set_prev(ramfs_ll_t *ll, ramfs_ll_node_t *act, ramfs_ll_node_t *prev)
{
    memcpy(act + RAMFS_LL_PREV_OFFSET(ll), &prev, sizeof(ramfs_ll_node_t *));
}