Returns the value of the environment variable variable in the environment of processes launched from this launcher.
On UNIX, the returned string can be an arbitrary byte string. On Windows, it will be UTF-8.
the environment variable to get
the value of the environment variable, NULL if unset
2.40
Returns the value of the environment variable variable in the environment of processes launched from this launcher.
On UNIX, the returned string can be an arbitrary byte string. On Windows, it will be UTF-8.