//伺服器**
/////本檔案是伺服器的**
#include // for sockaddr_in
#include // for socket
#include // for socket
#include // for printf
#include // for exit
#include // for bzero
#include //for time_t and time
#define hello_world_server_port 7754
#define length_of_listen_queue 20
#define buffer_size 1024
int main(int argc, char **argv)
//把socket和socket位址結構聯絡起來
if( bind(server_socket,(struct sockaddr*)&server_addr,sizeof(server_addr)))
//server_socket用於監聽
if ( listen(server_socket, length_of_listen_queue) )
while (1) //伺服器端要一直執行
char buffer[buffer_size];
bzero(buffer, buffer_size);
strcpy(buffer,"hello,world! 從伺服器來！");
strcat(buffer,"/n"); //c語言字串連線
send(new_server_socket,buffer,buffer_size,0);
bzero(buffer,buffer_size);
//接收客戶端傳送來的資訊到buffer中
length = recv(new_server_socket,buffer,buffer_size,0);
if (length < 0)
printf("/n%s",buffer);
if((stream = fopen("data1","r"))==null)
else
printf("the file 'filename' was opened! /n");
bzero(buffer,buffer_size);
int lengsize = 0;
while((lengsize = fread(buffer,1,1024,stream)) > 0)
bzero(buffer, buffer_size); }
if(fclose(stream))
printf("the file 'data' was not closed! /n");
exit(1);
//關閉與客戶端的連線
close(new_server_socket); }
//關閉監聽用的socket
close(server_socket);
return 0; }
//客戶端**
/////本檔案是客戶機的**
#include // for sockaddr_in
#include // for socket
#include // for socket
#include // for printf
#include // for exit
#include // for bzero
#include //for time_t and time
#include
#define hello_world_server_port 7754
#define buffer_size 1024
int main(int argc, char **argv)
//time_t now;
file *stream;
//設定乙個socket位址結構client_addr,代表客戶機internet位址, 埠
struct sockaddr_in client_addr;
bzero(&client_addr,sizeof(client_addr)); //把一段記憶體區的內容全部設定為0
client_addr.sin_family = af_inet; //internet協議族
client_addr.sin_addr.s_addr = htons(inaddr_any);//inaddr_any表示自動獲取本機位址
client_addr.sin_port = htons(0); //0表示讓系統自動分配乙個空閒埠
//建立用於internet的流協議(tcp)socket,用client_socket代表客戶機socket
int client_socket = socket(af_inet,sock_stream,0);
if( client_socket < 0)
//把客戶機的socket和客戶機的socket位址結構聯絡起來
if( bind(client_socket,(struct sockaddr*)&client_addr,sizeof(client_addr)))
//設定乙個socket位址結構server_addr,代表伺服器的internet位址, 埠
struct sockaddr_in server_addr;
bzero(&server_addr,sizeof(server_addr));
server_addr.sin_family = af_inet;
if(inet_aton(argv[1],&server_addr.sin_addr) == 0) //伺服器的ip位址來自程式的引數
server_addr.sin_port = htons(hello_world_server_port);
socklen_t server_addr_length = sizeof(server_addr);
//向伺服器發起連線,連線成功後client_socket代表了客戶機和伺服器的乙個socket連線
if(connect(client_socket,(struct sockaddr*)&server_addr, server_addr_length) < 0)
char buffer[buffer_size];
bzero(buffer,buffer_size);
//從伺服器接收資料到buffer中
int length = recv(client_socket,buffer,buffer_size,0);
if(length < 0)
printf("/n%s/n",buffer);
bzero(buffer,buffer_size);
bzero(buffer,buffer_size);
strcpy(buffer,"hello, world! from client/n");
//向伺服器傳送buffer中的資料
send(client_socket,buffer,buffer_size,0);
if((stream = fopen("data","w+t"))==null)
else
bzero(buffer,buffer_size);
length = 0;
while( length = recv(client_socket,buffer,buffer_size,0))
int write_length = fwrite(buffer,sizeof(char),length,stream);
if (write_length
Linux下ZendOptimizer的安裝與配置
內容 在裝的好的red hat linux 9 apache 2.0.55 mysql 5.1.6 php 5.1.2後，接下來就是安裝linux下的php加速器zendoptimizer 2.6.2了。自己編譯 php 後，zend optimizer 2.6.2 需要自己設定一下，請參照以下步驟...
Linux下的命令
管理員 普通使用者 pwd 顯示當前檔案全路徑 date 顯示系統當前日期和時間 who 顯示當前已登入的所有使用者名稱 cal 顯示日曆 uname r m，i，v 顯示當前系統作業系統資訊 wc l 行數，w字數，c位元組數 統計字數 clear 清屏 檔案操作touch 新建檔案mkdir 新...
linux 下 奇怪的
最近在做乙個從hp ux移行到linux 上面的專案,遇到乙個命令 hp ux date y m d h m s read sys date sys time dev null 2 1 但是這個命令在linux 下,就達不到預期的結果 之後問了高手,才得到解決辦法 linux read sys da...