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====== Int 21H, AH=37H ======

^ Subfunction                        ^ Desctiption          ^ Version      ^
| [[en:docs:dos:api:int21:37:00|00]] | GET SWITCH CHARACTER | 2.0+         |
| [[en:docs:dos:api:int21:37:01|01]] | SET SWITCH CHARACTER | 2.0+         |
| [[en:docs:dos:api:int21:37:02|02]] | Get availdev flag    | 2.x and 3.3+ |
| [[en:docs:dos:api:int21:37:03|03]] | Set availdev flag    | 2.x and 3.3+ |

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