Question : Environment variables  of a process : Linux

I know the environment variables' for shells like bash?
Question is,  I need to know the Environment variables of a running process in Linux .?
Accessing them from a user space program.?

Answer : Environment variables  of a process : Linux

If you need to get it on shell, use cat /proc//environ
If you need it from within a program, you can use environ variable
http://linux.die.net/man/7/environ