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Rev 8536 Rev 8540
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int main()
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int main()
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{
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{
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    struct sockaddr addr={AF_INET4, PORT(23) , 0, 0};
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    struct sockaddr addr={AF_INET4, PORT(23) , 0, 0};
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    int sk1=socket(AF_INET4, SOCK_STREAM, IPPROTO_TCP);
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    int sk1=socket(AF_INET4, SOCK_STREAM, IPPROTO_TCP);
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    printf("Open socket: %d. Error: %d\n",sk1, errno);
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    printf("Open socket: %d. Status: %s\n",sk1, strerror(errno));
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    bind(sk1, &addr,sizeof(addr));
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    bind(sk1, &addr,sizeof(addr));
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    printf("Socket binding. Error: %d\n", errno);
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    printf("Socket binding. Status: %s\n", strerror(errno));
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    listen(sk1, 1);
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    printf("Listening to a socket. Status: %s\n", strerror(errno));
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    listen(sk1, 1);
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    printf("You can connect to 'tcp server' via 'telnet' on localhost:23 !");
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    printf("Listening to a socket. Error: %d\n", errno);
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    int sk2 = accept(sk1, &addr, sizeof(addr));
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    int sk2 = accept(sk1, &addr, sizeof(addr));
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    printf("Accept done. Error: %d\n", errno);
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    printf("Accept done. Status: %s\n", strerror(errno));
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    send(sk2, msg1, strlen(msg1),MSG_NOFLAG);
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    send(sk2, msg1, strlen(msg1),MSG_NOFLAG);
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    printf("Send message: '%s'  Error: %d\n", msg1, errno);
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    printf("Send message: '%s'. Status: %s\n",msg1, strerror(errno));
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    puts("Received data:");
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    puts("Received data:");