Get the value of an environment variable
- Parameters:
-
value | the returned value, allocated from pool |
envvar | the name of the environment variable |
pool | where to allocate value and any temporary storage from |
Set the value of an environment variable
- Parameters:
-
envvar | the name of the environment variable |
value | the value to set |
pool | where to allocate temporary storage from |
Delete a variable from the environment
- Parameters:
-
envvar | the name of the environment variable |
pool | where to allocate temporary storage from |