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serial_hello.cpp

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//  C++

#include <iostream>
#include <unistd.h>

using namespace std;

int main () {
    int len=30;
    char name[30];
    gethostname(name,len);     // get run-host name
    cout << "Runhost:" << name << "   hello, world\n" << endl;
    return 0;
}

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