c99隐试声明报错，有没有大佬帮忙看看

Gnglas 2020-04-04 12:28:38

头文件

#ifndef AVL_H_

#define AVL_H_

#include<stdio.h>

#include<string.h>

#include<stdlib.h>

#define Size 20

#define STREND char *

typedef  struct Node

{

	char name[Size];

	int size; 

	struct Node *left;

	struct Node *right;

}node;

typedef struct Tree_size //number tree for size 

{

	unsigned int left;

	unsigned int right;

}tr_size;

STREND s_ges(char *str,int n)    // input funicnt

{

	STREND str_end = NULL;

	STREND find = NULL;

	str_end = fgets(str,n,stdin);

	if(str_end)

	{

		find = strchr(str,'\n');

		if(find)

			*find = '\0';

		else

		while(getchar() != '\n')

			continue;

	}

	return str_end;

}

node * Init_Node(node * tree,char *str_end, int n) //init tree for node

{



	tree =(node *) malloc(sizeof(node));

	strcpy(tree->name,str_end); 

	tree->size = n ;

	tree->left = NULL;

	tree->right = NULL;

	return tree;

}

void Puts_tree(node *tree) //puts tree

{

	if(tree != NULL)

	{

	printf("==>tree->str :%s\n ==>tree->size : %d\n",tree->name,tree->size);

	Puts_tree(tree->left);

	Puts_tree(tree->right);

	}

}

#endif

代码

#include "avl.h"

node *List_tree(node *root,node *ned);

node *SingleRotationForLeft(node *root);

int main(void)

{

	char str[Size];

	int number = 0;

	node *root = NULL,*strend = NULL;

	

	while(s_ges(str,Size) != NULL && str[0] != '\0')

	{

		if(root == NULL)

		{

			strend = Init_Node(root,str,number);

			root = strend;

			number += 1;

		}

		else

		{

			strend = Init_Node(strend,str,number);

			root = Link_list(root,strend);

			number += 1;

		}

	}

	Puts_tree(root);

	return 0;

}



node * Link_list(node *root,node *strend)

{

	

	if(root)

	{

		if(root->name < strend->name)

		{

			if(root->left == NULL)

			{

				root->left = strend;

				strend->size = root->size + 1; 

			}

			else

				Link_list(root->left,strend);

		}

		if(root->name > strend->name)

		{

			if(root->right == NULL)

			{

				root->right = strend;

				strend->size = root->size + 1;

			}

			else 

				Link_list(root->right,strend);

		}

	}

	return root;

}

node *SingleRotationForLeft(node *root)//旋转

{

	

	

	return root;

}