como ejecutar pcp_recovery_node -h 192.168.1.48 -p 9898 -U pgpool -n 1 sin contraseña

#include <iostream>
#include <string>

using namespace std;

int main()
{
    string username = "pgpool";
    string ip = "192.168.1.48";
    int port = 9898;
    int node = 1;

    string command = "pcp_recovery_node -h "+ip+" -p "+to_string(port)+" -U "+username+" -n "+to_string(node);
    cout << command << endl;
    system(command.c_str());
    return 0;
}