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## 3.46 cvlinexy

> Function

>   Output a vertical line at a given position in text mode.

> Header

>   `conio.h`

> Declaration

>   `void __fastcall__ cvlinexy (unsigned char x, unsigned char y, unsigned char length);`

> Description

>   The function outputs a vertical line with the given length starting at a given position.

> Limits

>   - The character used to draw the vertical line is system dependent. If available, a line drawing character is used. Drawing a line that is partially off screen leads to undefined behaviour.
>   - The function is only available as fastcall function, so it may only be used in presence of a prototype.
> Availability

>   cc65

> See also

>   chline, chlinexy, cvline

> Example

>   None.

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