the environment variable is not found. The returned string may be overwritten by the next call to [glib.global.getenv], [glib.global.setenv] or [glib.global.unsetenv].
getenv
fn
string getenv(string variable)Returns the value of an environment variable.
On UNIX, the name and value are byte strings which might or might not be in some consistent character set and encoding. On Windows, they are in UTF-8. On Windows, in case the environment variable's value contains references to other environment variables, they are expanded.
Parameters
variable | the environment variable to get |
Returns
the value of the environment variable, or null if