#include?????//?for?sockaddr_in
#include?????//?for?socket
#include?????//?for?socket
#include?????????//?for?printf
#include?????????//?for?exit
#include?????????//?for?bzero
#include?
#include?
#include?
#include?
#include?
#include?


void?err_sys（const?char*?...）;
static?void?err_doit（int?const?char?*va_list）;
long?get_filesize（char?*filename）;


#define?HELLO_WORLD_SERVER_PORT????6789?
#define?BUFFER_SIZE?1024
#define?FILE_NAME_MAX_SIZE?512
#define?MAXLINE?4069
fd_set???rdfds;


int
main（int?argc?char?**argv）
{
????if?（argc?!=?2）
????{
????????printf（“Usage:?./%s?ServerIPAddress\n“argv[0]）;
????????exit（1）;
????}
	
????//設(shè)置一個(gè)socket地址結(jié)構(gòu)client_addr代表客戶機(jī)internet地址?端口
????struct?sockaddr_in?client_addr;
????bzero（&client_addrsizeof（client_addr））;?//把一段內(nèi)存區(qū)的內(nèi)容全部設(shè)置為0
????client_addr.sin_family?=?AF_INET;????//internet協(xié)議族
????client_addr.sin_addr.s_addr?=?htons（INADDR_ANY）;//INADDR_ANY表示自動(dòng)獲取本機(jī)地址
????client_addr.sin_port?=?htons（0）;????//0表示讓系統(tǒng)自動(dòng)分配一個(gè)空閑端口
????//創(chuàng)建用于internet的流協(xié)議（TCP）socket用client_socket代表客戶機(jī)socket
????int?client_socket?=?socket（AF_INETSOCK_STREAM0）;
????if（?client_socket?????{
????????perror（“socket“）;
		exit（1）;
????}
	printf（“Socket?is?Createed!\n“）;
	
	
????//把客戶機(jī)的socket和客戶機(jī)的socket地址結(jié)構(gòu)聯(lián)系起來(lái)
????if（?-1?==?bind（client_socket（struct?sockaddr*）&client_addrsizeof（client_addr）））
????{
????????perror（“bind“）;
		exit（1）;
????}
	printf（“Bind?Success!\n“）;
	
	
????//設(shè)置一個(gè)socket地址結(jié)構(gòu)server_addr代表服務(wù)器的internet地址?端口
????struct?sockaddr_in?server_addr;
????bzero（&server_addrsizeof（server_addr））;
????server_addr.sin_family?=?AF_INET;
????if（inet_aton（argv[1]&server_addr.sin_addr）?==?0）?//服務(wù)器的IP地址來(lái)自程序的參數(shù)
????{
????????
????????perror（“inet_aton“）;
		exit（1）;
????}
	printf（“Inet_aton?Success!\n“）;
	
	
????server_addr.sin_port?=?htons（HELLO_WORLD_SERVER_PORT）;
????socklen_t?server_addr_length?=?sizeof（server_addr）;
????//向服務(wù)器發(fā)起連接連接成功后client_socket代表了客戶機(jī)和服務(wù)器的一個(gè)socket連接
????if（-1?==?connect（client_socket（struct?sockaddr*）&server_addr?server_addr_length））
????{
????????perror（“connect“）;
		//	printf（“Can?Not?Connect?To?%s!\n“argv[1]）;
????????exit（1）;
????}
	printf（“Connected!\n“）;
	
	
????char?file_name[FILE_NAME_MAX_SIZE+1];
	char?loc_file_name[FILE_NAME_MAX_SIZE+1];
????bzero（file_name?FILE_NAME_MAX_SIZE+1）;
	bzero（loc_file_nameFILE_NAME_MAX_SIZE+1）;
????printf（“Please?Input?File?Name?On?Server:\t“）;
????scanf（“%s“?file_name）;
????
????char?buffer[BUFFER_SIZE];
????bzero（bufferBUFFER_SIZE）;
????strncpy（buffer?file_name?strlen（file_name））;
	printf（“send?the?file?name?is?:%s\n“buffer）;
????//向服務(wù)器發(fā)送buffer中的數(shù)據(jù)
????if（-1?==?send（client_socketbufferBUFFER_SIZE0））
	{
		perror（“send“）;
		exit（1）;
	}
	
	printf（“Please?Input?File?Name?On?location:\t“）;
????scanf（“%s“?loc_file_name）;
	FILE?*wstr

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????3945??2009-05-05?15:31??ftp——1.0\test_client.c

?????文件???????4807??2009-05-05?15:00??ftp——1.0\test_server.c

?????目錄??????????0??2009-05-05?15:34??ftp——1.0

?????文件???????8769??2009-05-07?11:26??test_client

?????文件??????10019??2009-05-06?14:44??test_server

?????文件????????183??2009-05-07?12:00??使用說(shuō)明.txt

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

????????????????27723????????????????????6