Sets the environment variable variable in the provided list envp to value.
| envp |
an environment list that can be freed using strfreev (e.g., as returned from @get), or null for an empty environment list |
| variable |
the environment variable to set, must not contain '=' |
| value |
the value for to set the variable to |
| overwrite |
whether to change the variable if it already exists |
|
the updated environment list. Free it using strfreev. |