/*?msg_client.c?*/??
#include?“msg.h“???

int?userid?=?0;

char?name[32]?=?““;

void?print_menu（void）{
	printf（“\t+----------------------------------+\n“）;
	printf（“\t+????Chat?Room?V1.0?2013.01.08?????+\n“）;
	printf（“\t+----------------------------------+\n“）;
	printf（“\t+?User?Commands?as?follows:????????+\n“）;
	printf（“\t+??????????????????????????????????+\n“）;
	printf（“\t+?l:?list?all?online?user??????????+\n“）;
	printf（“\t+?i:?Login?????????????????????????+\n“）;
	printf（“\t+?o:?logOut????????????????????????+\n“）;
	printf（“\t+?c:?Chat?with?other?online?user???+\n“）;
	printf（“\t+?a:?Chat?with?all?online?user?????+\n“）;
	printf（“\t+?f:?transfer?a?File?to?others?????+\n“）;
	printf（“\t+?h:?Help??????????????????????????+\n“）;
	printf（“\t+----------------------------------+\n“）;
}

int?get_choice（）{
	printf（“%s#?“?name）;
	int?answer?=?getchar（）;	//?eat?
	while（getchar（）?!=?‘\n‘）;	//?eat?
	//putchar（answer）;
	return?answer;
}

void?func（int?sig）{
	printf（“\n%s#?“?name）;
	fflush（stdout）;
}

int?send_to（int?target?int?cmd?char?*data）{
	return?send_msg（target?cmd?userid?data）;
}

int?send_server（int?cmd?char?*data）{
	return?send_msg（TYPE_SERVER?cmd?userid?data）;
}

int?chat（）{
	if（strlen（name）?==?0）{
		printf（“You?are?not?login!\n“）;
		return?ERR;
	}

	char?id[32];
	char?data[256];
	char?buf[256];
	printf（“To:?[USR_ID]?“）;
	fflush（stdout）;
	if（fgets（id?sizeof（id）?stdin）?==?NULL）{
		perror（“fgets“）;
		return?ERR;
	}
	sprintf（data?“?%s?>?“?name）;
	id[strlen（id）?-?1]?=?0;

	printf（“>>?“）;
	fflush（stdout）;
	if（fgets（buf?sizeof（buf）?stdin）?==?NULL）{
		perror（“fgets“）;
		return?ERR;
	}
	strcat（data?buf）;
	data[strlen（data）?-?1]?=?0;
	send_to（atoi（id）?CMD_CHAT?data）;
}

int?chat_all（）{
	if（strlen（name）?==?0）{
		printf（“You?are?not?login!\n“）;
		return?ERR;
	}

	char?data[256];
	char?buf[256];
	sprintf（data?“?%s?To?all?>?“?name）;

	printf（“To?all?>>?“）;
	fflush（stdout）;
	if（fgets（buf?sizeof（buf）?stdin）?==?NULL）{
		perror（“fgets“）;
		return?ERR;
	}
	strcat（data?buf）;
	data[strlen（data）?-?1]?=?0;
	send_to（TYPE_SERVER?CMD_TOALL?data）;
}

int?login（）{
	printf（“username:?\n“）;
	if（fgets（name?sizeof（name）?stdin）?==?NULL）{
		perror（“fgets“）;
		return?ERR;
	}
	name[strlen（name）?-?1]?=?0;
	int?rand_type?=?random（）;
	time_t?t;
	time（&t）;
	sprintf（msg_snd.buffer?“%c:%s:%ld:%d“?CMD_LOGIN?name?t?rand_type）;
#ifdef?_DEBUG
	printf（“%s\n“?msg_snd.buffer）;
#endif
	//?get?a?random?type?to?login?server
	msg_snd.mtype?=?TYPE_SERVER;
	if（msgsnd（msgid?&msg_snd?strlen（msg_snd.buffer）+1?0）?		perror（“msgsnd“）;
		return?ERR;
	}

	//?wait?server?response
	if（msgrcv（msgid?&msg_rcv?sizeof（msg_rcv）?rand_type?0）?		return?ERR;
	}?else{
		userid?=?atol（msg_rcv.buffer）;
		printf（“Login?OK?id?=?%d\n“?userid）;
		return?OK;
	}
}

int?logout（）{
	if（strlen（name）?==?0）{
		return?ERR;
	}
	send_server（CMD_LOGOUT?“Logout“）;
	//?wait?server?response
	if（msgrcv（msgid?&msg_rcv?sizeof（msg_rcv）?userid?0）?		return?ERR;
	}else

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-01-09?11:30??chat\
?????文件???????12859??2013-01-09?10:56??chat\client
?????文件?????????159??2013-01-09?10:30??chat\Makefile
?????文件????????2709??2013-01-09?10:29??chat\msg.h
?????文件????????5731??2013-01-09?10:57??chat\msg_client.c
?????文件????????2470??2013-01-09?10:33??chat\msg_svr.c
?????文件???????12331??2013-01-09?10:56??chat\server