>729 すみません… 本当に何も理解しておりません。 >実行結果です。 t23.c: In function `insert_node': t23.c:130: error: `new' undeclared (first use in this function) t23.c:130: error: (Each undeclared identifier is reported only once t23.c:130: error: for each function it appears in.) t23.c:130: error: parse error before "node_t" t23.c: In function `remove_node': t23.c:139: error: `delete' undeclared (first use in this function) t23.c:139: error: parse error before "del" t23.c: In function `random_list': t23.c:149: error: 'for' loop initial declaration used outside C99 mode t23.c: In function `get_node': t23.c:155: error: 'for' loop initial declaration used outside C99 mode