Password Verification..

[Balan Sinniah]

I am writing a server program where it should be able to verify the user 
name and password. This program will be compile and run under the root 
directory. Any client who is trying to send the user id and password to   
the server should be veryfy by 
this program. I have try my very best to do it but yet I couldn.t find 
the solution. Can anyone help me?

thanks

regards,

Balan