#include?
#include?
#include	“unp.h“
void?ftp_cli（FILE?*fp?int?sockfd）;
int?main（int?argc?char?**argv）
{
	int					sockfd;
	struct?sockaddr_in	servaddr;
	if?（argc?!=?2）?	err_quit（“usage:?tcpcli?“）;
	sockfd?=?Socket（AF_INET?SOCK_STREAM?0）;
	bzero（&servaddr?sizeof（servaddr））;
	servaddr.sin_family?=?AF_INET;
	servaddr.sin_port?=?htons（21000）;
	Inet_pton（AF_INET?argv[1]?&servaddr.sin_addr）;
	Connect（sockfd?（SA?*）?&servaddr?sizeof（servaddr））;
	ftp_cli（stdin?sockfd）;		/*?do?it?all?*/
	exit（0）;
}


void?ftp_cli（FILE?*fp?int?sockfd）
{
	char?sendline[MAXLINE]?recvline[MAXLINE];
	char?cmd?[MAXLINE];

	char?wdpath[200];
	if（getcwd（wdpath200）==NULL）return?;
	strcat（wdpath“/user“）;

	for?（?;?;?）
	{
	????fprintf（stderr?“myftpclient-->“）;
????????if?（Fgets（sendline?MAXLINE?fp）?==?NULL）?return;
		else?fputs（sendlinestdout）;
		strcpy（cmdsendline）;
		//int?i;
		//for（i=0;i		//fprintf（stderr“%d\n“（int）（sendline[i]））;
		char?*?pcmd=strtok（cmd“?\n“）;
		if（strcmp（pcmd“dir“）==0||strcmp（pcmd“ls“）==0）
		{
????????????Writen（sockfd?sendline?strlen（sendline））;
		????if?（Readline（sockfd?recvline?MAXLINE）?==?0）
				err_quit（“str_cli:?server?terminated?prematurely“）;
????????????int?lines=atoi（recvline）;
????????????int?i;
			for（i=0;i			{
			????Readline（sockfd?recvline?MAXLINE）;
			????fprintf（stderrrecvline）;
			}
????????}
????????else?if（strcmp（pcmd“get“）==0）
		{
????????????Writen（sockfd?sendline?strlen（sendline））;
		????if?（Readline（sockfd?recvline?MAXLINE）?==?0）
				err_quit（“str_cli:?server?terminated?prematurely“）;
????????????int?bytes=atoi（recvline）;
????????????fprintf（stderr?“file?length?=?%d.\n“bytes）;
????????????int?left=bytes;
????????????FILE?*fp=0;
????????????if（left>0）
????????????{
????????????????char?filename[100];
????????????????strcpy（filenamewdpath）;
????????????????strcat（filename“/“）;
????????????????strcat（filename?strtok（NULL“?\n“））;
????????????????if（（fp=fopen（filename“wb“））==NULL）
????????????????{
????????????????????fprintf（stderr“failed?open?file?%s“filename）;
????????????????????return;
????????????????}
????????????????fprintf（stderr?“file?create:?%s.\n“filename）;
????????????}

????????????while（left>MAXLINE）
????????????{
????????????????Readn（sockfd?recvline?MAXLINE）;
????????????????left-=MAXLINE;
????????????????fwrite（recvlineMAXLINE1fp）;
????????????}
????????????if（left<=MAXLINE）
????????????{
????????????????Readn（sockfd?recvline?left）;
			????//fprintf（stderrrecvline）;
			????fwrite（recvlineleft1fp）;
????????????}
????????????fprintf（stderr?“file?writen?done.\n“）;
????????????fclose（fp）;
????????}
????????else?if（strcmp（pcmd“quit“）==0）
		{
		????fprintf（stderr?“See?you!.\n“）;
		????return;
		}
		else
		fprintf（stderr?“usage:cmd?[args].\ncmd=\tdir\tls\tget\tquit\n“）;

	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-05-07?21:23??myftp\
?????文件????????2870??2011-04-20?20:33??myftp\client.c
?????目錄???????????0??2016-05-07?20:43??myftp\ftpc\
?????目錄???????????0??2016-05-05?16:14??myftp\ftpc\bin\
?????目錄???????????0??2016-05-05?16:14??myftp\ftpc\bin\Debug\
?????文件???????54113??2011-04-13?23:58??myftp\ftpc\bin\Debug\ftpc
?????文件????????5228??2016-05-07?20:42??myftp\ftpc\client.c
?????文件????????4566??2016-05-07?20:06??myftp\ftpc\client.c~
?????文件???????13996??2016-05-07?20:43??myftp\ftpc\client.o
?????文件????????9119??2009-10-21?15:25??myftp\ftpc\config.h
?????文件???????58258??2016-05-07?20:43??myftp\ftpc\ftpc
?????文件????????1201??2011-04-14?22:37??myftp\ftpc\ftpc.cbp
?????文件?????????241??2011-04-15?11:16??myftp\ftpc\ftpc.layout
?????文件??????392824??2009-10-21?15:28??myftp\ftpc\libunp.a
?????文件????????1251??2011-04-13?23:22??myftp\ftpc\main.c~
?????文件?????????293??2011-04-14?16:45??myftp\ftpc\makefile
?????文件?????????289??2011-04-13?22:45??myftp\ftpc\makefile~
?????目錄???????????0??2016-05-05?16:14??myftp\ftpc\obj\
?????目錄???????????0??2016-05-05?16:14??myftp\ftpc\obj\Debug\
?????文件????????6036??2011-04-13?23:58??myftp\ftpc\obj\Debug\main.o
?????文件???????16734??2009-10-28?17:27??myftp\ftpc\unp.h
?????目錄???????????0??2016-05-07?20:08??myftp\ftpc\user\
?????文件?????????180??2016-05-04?09:51??myftp\ftpc\user\code.c
?????文件??????????38??2016-05-07?20:02??myftp\ftpc\user\ex.c
?????文件???????53248??2016-05-07?15:26??myftp\ftpc\user\ftps
?????文件?????????200??2016-05-07?19:23??myftp\ftpc\user\id1.c
?????文件????????9212??2016-05-07?15:25??myftp\ftpc\user\main.o
?????文件?????????293??2016-05-07?15:26??myftp\ftpc\user\makefile
?????目錄???????????0??2016-05-07?20:43??myftp\ftps\
?????目錄???????????0??2016-05-05?16:14??myftp\ftps\bin\
?????目錄???????????0??2016-05-05?16:14??myftp\ftps\bin\Debug\
............此處省略26個文件信息