Load a reference to the first item into front.
Load a reference to the first item in the list into front.
Load into the specified front a reference to the first item in the list. Return 0 on success, and a non-zero value (with no effect on front) if the list is empty.
0 on success, and a non-zero value if the list is empty
| Name | Description |
|---|---|
| front | receives a reference to the first item |