#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define LEN sizeof(struct dic_info)
struct dic_info
{
	char English[40];
	char Chinese[100];
};
struct dic_info inf[400];
void enter()
{
}
void add()
{
}
void Edit()
{
}
void Delete()
{
	int m;
	char a;
	char n[40];
	printf("请输入你要删除的单词：\n");
	while(1) 
	{
	scanf("%s",n);
	for(m=0;m<400;m++)
	{
		if(strcmp(n,inf[m].English)==0)
		{
			inf[m].English=='\0';
			inf[m].Chinese=='\0';
			printf("删除成功！\n"); 
			return;
		}
	}
	printf("无此单词\n");
	printf("输入y或Y继续操作，输入其他返回菜单\n");
	scanf("%c",&a);
	if(a=='y'||a=='Y')
	{
		Delete();
	}
	break;
	}
}
int main(void)
{
int choice,i,n=1;
char a,b; 
do
{
printf("\n\t           ==============================");
printf("\n\t           *欢迎使用有限电子英汉词典*");
printf("\n\t           ==============================\n");
printf("\n\t           ***********菜单显示***********\n");
printf("\n\t           ********【1】词条查找********\n");
printf("\n\t           ********【2】词条增词********\n");
printf("\n\t           ********【3】词条删除********\n");
printf("\n\t           ********【4】词条修改********\n");
printf("\n\t           ********【0】退出词典********\n"); 
printf("请选择你要进行的功能");
scanf("%d",&choice);
switch(choice)
{
	case 1:enter();break;
	case 2:add();break;
	case 3:Delete();
	for(i=0;i<n;i++)
	scanf("%c",&a);
	if(a=='y'||a=='Y')
	{
		Delete();
		n++;
	};break;
	case 4:Edit();break;
 } 
}
while(choice!=0);
return 0;
}