function::env_var - Fetch environment variable from current process

name
           Name of the environment variable to fetch

       Returns the contents of the specified environment value for the current process. If the variable isn't
       set an empty string is returned.

       function::env_var - Fetch environment variable from current process

tapset::context-envvar(3stap)

SystemTap Tapset Reference                         April 2024                           FUNCTION::ENV_VAR(3stap)

           env_var:string(name:string)