typedef struct {
int lineNum;
struct queNode *next;
} queNode;
typedef struct {
char word[64];
struct treeNode *left;
struct treeNode *right;
struct queNode *front;
struct queNode *rear;
} treeNode;
所以我试图通过二叉搜索树节点 treeNode 和队列节点 front 访问 lineNum
我试过 treeNode->front->lineNum 但 vscode 告诉我“不允许指向不完整类类型“struct queNode”的指针”。我该怎么办