SLL_FIND
qn = SLL_FIND(ns->queries, qnext,
n = (fs_node *)SLL_FIND(ns->nodes, nlnext, (sll_compare_func)compare_fs_node_by_vnid, (void *)&vnid);
n = (fs_node *)SLL_FIND(base->children, next,
n = (fs_node *)SLL_FIND(dir->children, next,
n = (fs_node *)SLL_FIND(dir->children, next,
n = (fs_node *)SLL_FIND(dir->children, next,