#include?“check.h“

int?reg_check（struct?message?*recievemsg）
{
	int?fd;
	int?read_sizewrite_size;
	struct?message?cmpmsg;
	if（strlen（recievemsg->name）>10?||?strlen（recievemsg->msg）>20?）
	{
		return?1;
	}
???????if（strcmp（recievemsg->name“all“）==0）
	{
		return?-1;
	}
	if（strcmp（recievemsg->name“reg“）==0）
	{
		return?-1;
	}
	if（strcmp（recievemsg->name“login“）==0）
	{
		return?-1;
	}
	if（strcmp（recievemsg->name“trans“）==0）
	{
		return?-1;
	}
	
	if（（fd=open（“user.txt“O_RDWR|O_CREAT|O_APPEND0666））<0）
	{
		perror（“open“）;
		printf（“open\n“）;
		return?-2;
	}
	
	do
	{
		if（（read_size=read（fd&cmpmsgsizeof（cmpmsg）））?		{
			perror（“read“）;
			close（fd）;
			return?-2;
		}
		if（read_size?!=?sizeof（struct?message）?&&?read_size?!=0）
		{
			close（

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????I.A...R??????1161??2014-03-20?10:44??communication_tools\chatlog.txt

????I.A....??????2216??2014-03-18?09:56??communication_tools\check.c

????I.A....???????422??2014-03-18?09:56??communication_tools\check.h

????I.A....??????2408??2014-03-18?09:58??communication_tools\check.o

????I.A....?????13622??2014-03-18?10:00??communication_tools\client

????I.A....??????9950??2014-03-18?09:56??communication_tools\client.c

????I.A....??????6553??2014-03-18?16:26??communication_tools\display

????I.A....??????1081??2014-03-18?09:56??communication_tools\display.c

????I.A....?????12671??2014-03-18?09:58??communication_tools\hello

????I.A....??????1229??2014-03-18?09:56??communication_tools\linklist.c

????I.A....???????594??2014-03-18?09:56??communication_tools\linklist.h

????I.A....??????1404??2014-03-18?09:58??communication_tools\linklist.o

????I.A....???????244??2014-03-18?09:56??communication_tools\Makefile

????I.A....??????6529??2014-03-18?09:56??communication_tools\server.c

????I.A....??????5788??2014-03-18?09:58??communication_tools\server.o

????I.A....??????6336??2014-03-18?19:37??communication_tools\user.txt

?????目錄??????????0??2014-03-20?10:46??communication_tools

-----------?---------??----------?-----??----

????????????????72208????????????????????17