Quote Originally Posted by feraudyh View Post
So grep is used in this case to look inside binaries, right?
No, it's used to filter out results of nm.

Now I dont know if the dynamic libraries involve the same licencing conditions, or more to the point, where can I find out for this case?
As far as I remember PostgreSQL is LGPL which means that if you are writing a closed-source application, you can't link it statically. But feel free to check it on PostgreSQL website.