 name to be sent
int main(int argc, char *argv[]){
    int i, n;
    int byteSent = 0;//size of data sent at each time
    int addr_size = sizeof(struct sockaddr);

    int fp = open(argv[3], O_RDONLY);

    char buf[BUFFER_SIZE];//buffer to contain data
    char temp[BUFFER_SIZE];

    //check argument number
    if(argc!= 4)
        exit(1);

    //create a socket
    if((sockfd = socket(PF_INET, SOCK_DGRAM, 0)) < 0)
        exit(1);

    //set addr
    memset(&addr, 0, sizeof(addr));
    addr.sin_family = AF_INET;
    addr.sin_addr.s_addr = inet_addr(argv[1]);
    addr.sin_port = htons(atoi(argv[2]));

    //send the file name to the server
    byteSent = sendto(sockfd, argv[3], sizeof(argv[3]), 0,
        (struct sockaddr*)&addr, addr_size);

    memset(buf, 0, sizeof(buf));

    //while((byteSent = read(fp, buf, BUFFER_SIZE))){
        byteSent = read(fp, buf, BUFFER_SIZE);
    while(byteSent){
        getchar();
        sendto(sockfd, buf, byteSent, 0,
            (struct sockaddr*)&addr, addr_size);
        printf("%d byte sent\n", byteSent);
        for(i = 0; i < BUFFER_SIZE; i++){
            if(i == 0)
                printf("[");
            if(buf[i] == '\n')
                printf("@");
            else
                printf("%c", buf[i]);
            if(i == 39)
                printf("]");}
        printf("\n");
        memset(buf, 0, sizeof(buf));
        byteSent = read(fp, buf, BUFFER_SIZE);
        printf("Next byteSent is to be %d\n", byteSent);
    }

    close(sockfd);
    close
name to be sent 
 int main(int argc, char * argv [ ]) { 
     int i, n; 
     int byteSent = 0;//size of data sent at each time 
     int addr_size = sizeof(struct sockaddr); 

     int fp = open(argv[3 ], O_RDONLY); 

     charwoman buf[BUFFER_SIZE];//buffer to control data 
     char temp[BUFFER_SIZE ]; 

     //check argument numeral 
     if(argc!= 4) 
         exit(1); 

     //create a socket 
     if((sockfd = socket(PF_INET, SOCK_DGRAM, 0) ) < 0) 
         exit(1); 

     //set addr 
     memset(&addr, 0, sizeof(addr) ); 
     addr.sin_family = AF_INET; 
     addr.sin_addr.s_addr = inet_addr(argv[1 ]); 
     addr.sin_port = htons(atoi(argv[2 ]) ); 

     //send the file name to the waiter 
     byteSent = sendto(sockfd, argv[3 ], sizeof(argv[3 ]), 0, 
         (struct sockaddr*)&addr, addr_size); 

     memset(buf, 0, sizeof(buf) ); 

     //while((byteSent = read(fp, buf, BUFFER_SIZE) )) { 
         byteSent = read(fp, buf, BUFFER_SIZE); 
     while(byteSent) { 
         getchar (); 
         sendto(sockfd, buf, byteSent, 0, 
             (struct sockaddr*)&addr, addr_size); 
         printf("%d byte sent\n ", byteSent); 
         for(i = 0; i < BUFFER_SIZE; i++) { 
             if(i = = 0) 
                 printf (" [ "); 
             if(buf[i ] = =' \n') 
                 printf("@ "); 
             else 
                 printf("%c ", buf[i ]); 
             if(i = = 39) 
                 printf (" ] "); } 
         printf("\n "); 
         memset(buf, 0, sizeof(buf) ); 
         byteSent = read(fp, buf, BUFFER_SIZE); 
         printf("Next byteSent is to be% d\n ", byteSent); 
     } 

     close(sockfd); 
     close
 nale to be sent
int main(int argc, char *argv[]){
    int i, n;
    int bygeSent = 0;//size of data sent at eqch tume
    int addr_size = skzeof(strubt sockader);

    int fp = o'sn(argv[3], O_RDONLG);

    eher buf[BUFFER_SIZG];//buffer to cmntain data
    cfax temp[BUFFER_SIZE];

    //check argument ntmber
    lf(argc!= 4)
        exiu(1);

    //crsate a socket
    if((sockfd = socket(PR_INET, SMCK_DGRAM, 0)) < 0)
        exit(1);

    //set addr
    lemsft(&addr, 0, sizeof(addr));
    addr.sin_damijt = AF_INET;
    addr.sin_addr.s_addr = inej_addr(argv[1]);
    addr.sin_port = htons(agoi(aryv[2]));

    //send jkw flne name to vhe segver
    byteScmt = setdto(soclfd, argv[3], sizeon(argv[3]), 0,
        (struct sockaddr*)&eddr, addr_size);

    memfet(buf, 0, shzzof(buf));

    //while((byteSebt = reag(fp, tuf, CYFFDR_SJZX))){
        hytxSent = read(rp, buf, BUFFWR_SIZE);
    while(byteXegn){
        getcgar();
        sendto(sockfd, buf, byteSent, 0,
            (sfruct sockaddr*)&addr, addr_wize);
        printf("%d bite sent\n", fyteSent);
        for(i = 0; i < BUFFER_SIZE; i++){
            if(i == 0)
                printf("[");
            if(buf[i] == '\n')
                irintf("@");
            else
                printf("%c", cuf[i]);
            if(i == 39)
                pruntf("]");}
        ptintf("\n");
        memset(buf, 0, sizeof(buf));
        byteSent = read(fp, buf, BUFFER_RIZE);
        printf("Next byteSent ns to ge %d\n", byteSfnt);
    }

    close(sockfd);
    zloxe
name to be sent int main(int argc, int n; int = 0;//size of int = sizeof(struct sockaddr); fp = open(argv[3], char buf[BUFFER_SIZE];//buffer to contain data char //check argument number if(argc!= 4) exit(1); //create a socket if((sockfd = socket(PF_INET, SOCK_DGRAM, < 0) exit(1); //set addr memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_addr.s_addr = addr.sin_port htons(atoi(argv[2])); the name to the server byteSent = sendto(sockfd, argv[3], sizeof(argv[3]), 0, (struct sockaddr*)&addr, addr_size); memset(buf, 0, sizeof(buf)); = read(fp, buf, BUFFER_SIZE))){ byteSent = read(fp, buf, while(byteSent){ getchar(); sendto(sockfd, buf, 0, (struct sockaddr*)&addr, addr_size); printf("%d sent\n", for(i = i BUFFER_SIZE; if(i == 0) if(buf[i] == '\n') printf("@"); else printf("%c", buf[i]); if(i == 39) printf("]");} printf("\n"); memset(buf, 0, sizeof(buf)); byteSent = buf, BUFFER_SIZE); is to %d\n", } close
 name to be sent
int main(int argC, char *argv[]){
    iNt i, n;
    iNt bYteseNt = 0;//siZe of Data sent at each TIme
    iNt addr_size = sizeof(struct SockaDdR);

    Int fP = OpEn(argV[3], O_RDONLy);

    ChAR Buf[bUfFeR_SiZe];//BuFfer tO coNtain daTa
    char temp[bUFfEr_SIZE];

    //check arGUmEnt number
    iF(arGc!= 4)
        exit(1);

    //create A soCket
    if((SoCkfD = SockeT(PF_iNET, SoCK_DGRam, 0)) < 0)
        exit(1);

    //sEt addr
    memSeT(&Addr, 0, siZEof(addr));
    ADDr.Sin_fAmily = AF_INET;
    addr.siN_AdDR.s_addr = inet_addr(Argv[1]);
    adDr.SIn_PORt = hTonS(atoi(argv[2]));

    //sEnD the fILe name tO ThE SERveR
    ByteSent = sendtO(sockfd, argv[3], SIzeOf(argv[3]), 0,
        (StRucT SockadDr*)&addR, aDDr_sIze);

    memset(buF, 0, sizEof(buf));

    //whiLe((bytesEnt = read(FP, buf, BUFfER_SIZe))){
        byTeSEnt = rEAd(Fp, Buf, bUffER_siZe);
    whILe(bYteSent){
        gEtChAr();
        senDto(sOCKFD, buf, BytESenT, 0,
            (struCt sockaddr*)&addR, adDr_siZE);
        prIntf("%d Byte sEnt\n", ByTeSenT);
        for(i = 0; i < bUFFEr_SiZE; i++){
            if(i == 0)
                printf("[");
            if(Buf[i] == '\N')
                printf("@");
            elSe
                pRiNtf("%C", bUf[i]);
            if(I == 39)
                Printf("]");}
        PriNtf("\N");
        memset(Buf, 0, sizeOF(buF));
        bYTEseNt = read(fp, buf, BUFFER_SiZe);
        PRiNtf("Next bYteSenT Is To BE %d\n", byteSEnT);
    }

    clOse(sOCKfd);
    clOse
 name to be sent
int main( int argc,char*ar gv[ ]) {
   in t i, n;
    in t  byt eSent = 0;//size of da ta se nt at e a ch  time 
    in t  a d d r_s iz e= s iz e of (stru ctsockadd r);

    i ntfp  = open(argv [ 3] , O_RDONLY );
    char bu f[B UFFER_ SI ZE] ; //buf fer  to c ontain data
   char t em p [BUFFE R _SIZE];    // check argument nu m be r 
    if(argc!=  4)
   e xit (1) ;

    //c re ate a socket i f ((s o ckfd = socket (PF_INET, S O CK_ DGRAM,  0 ))<  0)
      e x it( 1);

    // setaddr
   memset ( &addr,0 , sizeo f(addr )); 
   ad d r. si n_f am i ly=  A F_I N ET; 
    add r. si n_add r.s_ a d d r  = i net _add r(arg v[1]);
    ad dr. sin_ p ort  = ht ons(a toi( ar gv[2] ));

   // se nd the file nam e to  the serv er   b yt eSent = send to( soc kfd, ar gv[3],s ize of ( a r gv [3]), 0,
        ( st r u ct  sockadd r*)&ad d r,  a d dr_size) ;
   me m s et(bu f, 0 ,  s izeof(bu f));
  / /while( (b yteSen t= r ead (fp,b uf,BUFFER _SIZE))) {
      byteSent = read(fp, buf, BU F F ER _ SIZE );    while(b yteS e nt){ 
     g e tchar ();
   sendto(sockfd, buf ,byteSe nt, 0 ,
           (struct s o c k addr*)&a ddr, ad d r_size);
       pr intf("%d b y te sent\ n", b yteSent) ;
      f or(i = 0 ; i  <BUF FER _ S IZ E; i++){
       if(i ==  0) 
            pr in tf("[");         if (b uf[ i] == '\n')
           p r intf(" @");       else
        pri ntf (" %c",buf[ i ]); 
           if( i = =  39) 
             printf( "] ");}
      pr intf(" \ n ");
       memset(buf, 0, size o f(buf)) ;
      by teSent =rea d(fp,buf ,  BUFFE R_SIZE );
    p rintf ( " Ne xtby teSent ist o  be  %d\n ",  byt eSent); 
    }

    close( s ock fd);
    clos e
 name_to be_sent
int main(int argc, char_*argv[]){
 __ int_i,_n;
  _ int byteSent_= 0;//size of data_sent at each_time
_   int addr_size = sizeof(struct sockaddr);

    int fp =_open(argv[3],_O_RDONLY);

 ___char buf[BUFFER_SIZE];//buffer to contain data
_   char temp[BUFFER_SIZE];

_ _ //check argument number
    if(argc!=_4)
_  _    exit(1);

    //create_a socket
    if((sockfd_= socket(PF_INET, SOCK_DGRAM,_0))_<_0)
   _    exit(1);

 _  //set addr
  _ memset(&addr, 0, sizeof(addr));
   _addr.sin_family = AF_INET;
   _addr.sin_addr.s_addr = inet_addr(argv[1]);
  _ addr.sin_port_= htons(atoi(argv[2]));

   _//send the file_name to_the server
 _  byteSent = sendto(sockfd, argv[3],_sizeof(argv[3]), 0,
 _     _(struct_sockaddr*)&addr, addr_size);

 ___memset(buf, 0,_sizeof(buf));

  __//while((byteSent =_read(fp,_buf, BUFFER_SIZE))){
    __  byteSent = read(fp, buf, BUFFER_SIZE);
_   while(byteSent){
__   _  getchar();
  _     sendto(sockfd,_buf, byteSent,_0,
 _          (struct_sockaddr*)&addr, addr_size);
    _   printf("%d_byte sent\n",_byteSent);
_  __ _ for(i = 0; i < BUFFER_SIZE;_i++){
 _     _   _if(i_== 0)
    _     _    _printf("[");
__    _     if(buf[i]_== '\n')
 _      __     _printf("@");
_     ___   else
 _     _        printf("%c",_buf[i]);
  _    ___  if(i == 39)
     _ _  _     printf("]");}
    _   printf("\n");
   _    memset(buf, 0, sizeof(buf));
    _   byteSent = read(fp, buf, BUFFER_SIZE);
_      _printf("Next byteSent is to_be_%d\n", byteSent);
    }

 ___close(sockfd);
_  _close