Shulou(Shulou.com)06/03 Report--

# include

# include

# include

# include

# include

# include

Int main (int argc,char * argv [])

{

Int serv_sock,clnt_sock

Char msg [] = "Hello SZT! ~"

Struct sockaddr_in serv_adr,clnt_adr

Socklen_t clnt_adr_sz

If (argc! = 2)

{

Printf ("Please enter the port number when running! ~\ n")

Exit (1)

}

Serv_sock = socket (PF_INET,SOCK_STREAM,0)

Memset (& serv_adr,0,sizeof (serv_adr))

Serv_adr.sin_family = AF_INET

Serv_adr.sin_addr.s_addr = htonl (INADDR_ANY)

Serv_adr.sin_port = htons (atoi (argv [1]))

Bind (serv_sock, (struct sockaddr *) & serv_adr,sizeof (serv_adr))

If (listen (serv_sock,5)! =-1)

{

Printf ("listen (); waiting for client connection, port:% s\ n", argv [1])

}

Clnt_adr_sz = sizeof (clnt_adr)

Clnt_sock = accept (serv_sock, (struct sockaddr *) & serv_adr,&clnt_adr_sz)

If (clnt_sock! =-1)

{

Printf ("accept (); client connected\ n")

}

Write (clnt_sock,msg,sizeof (msg))

Printf ("write (); data has been sent:% s\ n", msg)

Close (clnt_sock)

Close (serv_sock)

Return 0

}

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