根据dict.txt文件中的内容，用户输入单词获得单词含义
        

#include "public.h"int main(void)
{struct list_head *parray = NULL;FILE *fp = NULL;char *nret = NULL;char *pword = NULL;char *pparaphrase = NULL;int num = 0;char str[1024] = {0};char word[256] = {0};fp = fopen("./dict.txt", "r");if(fp == NULL){ERR_MSG("打开失败\n");return -1;}parray = create_hashtable();while(1){nret = fgets(str, sizeof(str), fp);{if(nret == NULL){break;}}pword = str;pparaphrase = str;while(1)//定位单词{if(*pparaphrase == ' '){*pparaphrase = '\0';break;}pparaphrase++;}while(1)//定位释义{pparaphrase++;if(*pparaphrase != ' '){break;}}insert_hashtable(parray, pword, pparaphrase);}//show_hashtable(parray);while(1){printf("输入1查询单词 任意键数字退出\n");scanf("%d", &num);getchar();if(num == 1){printf("请输入要查询的单词\n");gets(word);if(find_hashtable(parray, word) != NULL){printf("%s \n", find_hashtable(parray, word)->paraphrase);}else{printf("未找到\n");}}else{break;}}destroy_hashtable(parray);parray = NULL;fclose(fp);return 0;
}

#ifndef __PUBLIC_H__
#define __PUBLIC_H__#include "list.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/time.h>
#include <errno.h>
#include <error.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <time.h>//结构体
typedef struct hashnode 
{struct list_head node;char word[128];char paraphrase[1024];
}hashnode_t;//打印出错信息
#define ERR_MSG(message) do { \printf("[%s%7d]%s:%s\n", __FILE__, __LINE__, message, strerror(errno)); \
}while (0)//更新开始计时时间
#define GET_START_TIME      do { \gettimeofday(&starttime, NULL); \
} while (0)//更新结束计时时间
#define GET_END_TIME      do { \gettimeofday(&endtime, NULL); \
} while (0)//获得耗时时间
#define GET_CONST_TIME  (((endtime.tv_sec * 1000000 + endtime.tv_usec) - (starttime.tv_sec * 1000000 + starttime.tv_usec)) / 1000.0)//哈希结构体参数
#define MAXNUM      52//声明extern struct list_head *create_hashtable(void);
extern int insert_hashtable(struct list_head *pheadlist, char *pstr, char *pstd);
extern int show_hashtable(struct list_head *pheadlist);
extern hashnode_t *find_hashtable(struct list_head *pheadlist, char *pstr);
extern int delete_hashtable(struct list_head *parray, char *pstr);
extern int destroy_hashtable(struct list_head *parray);struct timeval starttime;
struct timeval endtime;#endif