Copy one allowed string token from a schema entry's choice list.
choice_index is 1-based to match the ABI-facing schema table order.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| integer, | intent(in) | :: | index | |||
| integer, | intent(in) | :: | choice_index | |||
| character(len=*), | intent(out) | :: | value | |||
| logical, | intent(out) | :: | found |