| Type | Location | Extends | Description |
|---|---|---|---|
| c_PQconninfoOption | PQconninfoOption_t | None | This type is for wraps, such as |
| c_PQconnOptionSizes | PQconninfoOption_t | None | This type is for wraps, such as |
| pgNotify | PGnotify_t | None | |
| PQconninfoOption | PQconninfoOption_t | None | This is a derived-type that you are expected to use. |