#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“fun.h“


#define?RET_OK?	0
#define?RET_ERR	-1
#define?LISTEN_QUEUE_NUM?5
#define?BUFFER_SIZE?1024
#define?ECHO_PORT?2029

int?q;


/*功能：用戶登錄
參數：sockfd	?	客戶端TCP套接字
??????p_onlinefd	服務器TCP連接后套接字的指針
??????username		登錄名
??????onlinename?	在線用戶列表
返回值：成功返回0；失敗返回-1*/
int?client_login?（int?sockfd?int?*p_onlinefd?char?*username?char?*onlinename）
{
	struct?user?me={“q““q“0};	
	struct?user?rgist={“q““q“1};	?//保存注冊信息的結構體;	
	int?flag?=?0;		//1是成功，0是失敗。
	int?flag1=0;
	int?a=0;
	char?code[20];

	while（1）
	{
		if（flag1==1）{
			break;
		}
		system（“clear“）;
		system（“tput?cup?11?33“）;?printf（“\t\033[34;1m********************************************************\n“）;	
		system（“tput?cup?12?33“）;?printf（“\t*?????????????歡?迎?使?用?聊?天?系?統?v1.0?????????????*\n“）;
		system（“tput?cup?13?33“）;?printf（“\t*------------------------------------------------------*\n“）;
		system（“tput?cup?14?33“）;?printf（“\t*?????????????1、登??陸????????????????????????????????*\n“）;
		system（“tput?cup?15?33“）;?printf（“\t*------------------------------------------------------*\n“）;
		system（“tput?cup?16?33“）;?printf（“\t*?????????????2、注??冊????????????????????????????????*\n“）;
		system（“tput?cup?17?33“）;?printf（“\t*------------------------------------------------------*\n“）;
		system（“tput?cup?18?33“）;?printf（“\t*?????????????3、退??出????????????????????????????????*\n“）;
		system（“tput?cup?19?33“）;?printf（“\t*------------------------------------------------------*\n“）;
		system（“tput?cup?20?33“）;?printf（“\t*?????????????請??選??擇:??????????????????????????????*\n“）;
		system（“tput?cup?21?33“）;?printf（“\t********************************************************\n“）;
		system（“tput?cup?20?65“）;
		scanf（“%d“&a）;
		setbuf（stdinNULL）;
		//getchar（）;
		switch（a）
		{
			case?1:
				system（“clear“）;
				system（“tput?cup?11?33“）;?printf（“\t\033[34;1m********************************************************\n“）;	
				system（“tput?cup?12?33“）;?printf（“\t*???????????????請????登???錄??????????????????????????*\n“）;
				system（“tput?cup?13?33“）;?printf（“\t*------------------------------------------------------*\n“）;
				system（“tput?cup?14?33“）;?printf（“\t*?????????????用?戶?名:????????????????????????????????*\n“）;
				system（“tput?cup?15?33“）;?printf（“\t*------------------------------------------------------*\n“）;
				system（“tput?cup?16?33“）;?printf（“\t*?????????????密?碼:???????????????????????????????????*\n“）;
				system（“tput?cup?17?33“）;?printf（“\t********************************************************\n“）;
				system（“tput?cup?14?63“）;
				scanf（“%s“me.name）;
				//printf（“%s\n“me.name）;
				setbuf（stdinNULL）;
				system（“stty?-echo“）;
				system（“tput?cup?16?60“）;
				scanf（“%s“me.co