| subd | Index Level | subx |
| Syntax | call subr.adaptor.test(adaptor, card.exists) |
| Category | TCL |
| Type | Subroutine |
| Description | returns a non-zero value in card.exists if the video adaptor specified in adaptor exists. |
| Options | |
| See Also | |
| Example | |
| Warnings | |
| Compatibility |
| subd | Index Level | subx |