Serial port not found

UNIX Solaris
1

Hi,
I am working with solaris 9,SUN-Blade-100 and I want to communicate with the Serial port.To check whether the port is working or not.I write code and when I execute the file,then I got the output--

According to this,serial port is not found.can anyone please tell me how to configure the port :confused::confused:

Thanks in advance...

2

need to download and install the Comm API from Sun's web site.