a roundabout kill command using a call to system()

gistfile1.txt

FILE *output = popen("su -c 'cat /var/lock/naoqi.lock'", "r");
      char buffer[256];
      fgets(buffer, sizeof(buffer), output);
      char command[256] = "kill -9 ";
      strcat(command, buffer);
      printf("command %s\n", command);
      system(command);