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//结构体定义
struct inner_node
{
int key;
};
struct outer_node
{
int no;
struct inner_node node[4];
};
//指针数组
struct outer_node * oNode[4];
//问题,如何为oNode分配内存空间?
//oNode=(struct outer_node *)malloc(sizeof(struct outer_node)*4); 这个貌似不行