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C++
#include "stdafx.h"


#include<stdio.h>
#include<stdlib.h>
#include<winsock2.h>
 
#pragma comment(lib,"ws2_32.lib") //Winsock Library
 
int main(int argc , char *argv[])
{
    WSADATA wsa;
    SOCKET s;
    struct sockaddr_in server;
    char *message , server_reply[2000];
    int recv_size;
	

 
    printf("\nInitialising Winsock...");
    if (WSAStartup(MAKEWORD(2,2),&wsa) != 0)
    {
        printf("Failed. Error Code : %d",WSAGetLastError());
        return 1;
    }
     
    printf("Initialised.\n");
     
    //Create a socket
    if((s = socket(AF_INET , SOCK_STREAM , 0 )) == INVALID_SOCKET)
    {
        printf("Could not create socket : %d" , WSAGetLastError());
    }
 
    printf("Socket created.\n");
     
     
    server.sin_addr.s_addr = inet_addr("169.254.1.10");
    server.sin_family = AF_INET;
    server.sin_port = htons( 23);
 
    //Connect to remote server
    if (connect(s , (struct sockaddr *)&server , sizeof(server)) < 0)
    {
        puts("connect error");
        return 1;
    }
     
    puts("Connected");
	
     
    //Send some data
    message = "AT MA\r\n";
    if( send(s , message , strlen(message) , 0) < 0)
    {
        puts("Send failed");
        return 1;
    }
    puts("Data Send\n");
     
    //Receive a reply from the server
    if((recv_size = recv(s , server_reply ,2000, 0)) == SOCKET_ERROR)
    {
        puts("recv failed");
    }
     
    puts("Reply received\n");
	//Add a NULL terminating character to make it a proper string before printing
    server_reply[recv_size] = '\0';
	printf("\n");
    puts(server_reply);
	closesocket(s);
    WSACleanup();
	getchar();
    return 0;
}
Posted
Updated 13-Jun-14 2:01am
v2
Comments
Richard MacCutchan 14-Jun-14 7:25am    
You only read a single response; you need to create a loop and keep communicating until some event or special code is received signalling all data sent.

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