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Hi everyone, I wrote c client socket program in Linux and c# server program in window. I want to send text from client to server. I can send from c client program by using write() function. But I...

Hi everyone, I am writing on C simple socket programs in Linux. I wrote client and server C programs. My client program is

#include<sys/socket.h>//for socket(), connect(), sendto() and recvform()...

Now I got an error that "Address family not supported by protocol" when I run client program.

I wrote c server program in Linux and tried my client program. my server is ok but my client still gives me connection refused. Even though I changed new port number, still the same.

why u had unreadable mess? I really pasted as text when I pasted it. So in my side, everything is fine.

now my server program is

namespace
server_window

{


public partial class Form1 : Form

Hi I am using perror as you said. I started to run my server program from window and run client program in Linux. At that time, the terminal showed Cannot connect : connection refused. Why is it so?

Hi thanks for your answer. Now I changed my program a little bit. I just wanna test whether it can connect or not.
my program is

#include
<sys/socket.h> //for socket(), connect(), sendto()...

Hi thanks for your answer. I had checked my firewall settings. It was off.

I used telent now. I type telnet myclientip 1234 . it showed that connecting to myclientip.. could not open to the host, on port 1234: Connect failed.. means I cannot use that port no.. ???

I used teraterm to check whether the port is ok or not. But it showed connection refused... :(

I cannot make connection. I run my server first and later client. At that time client program prompt that cannot connect. so that's y

my understanding is that SOCK_STREAM is for TCP. 0 is just default right?

I had used ping to each IP address. So there is connection between them. And I used
serv_addr.sin_port = htons(SERVERPORT);
which is port no 1234.

so sorry to delete unused code.

Hi everyone, I am writing client C socket program in Linux and server C# socket
program in window. I am also running these 2 programs in different PCs. When I
run client program it shows that...