settextcursor
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The settextcursor function sets the cursor attribute (i.e., the
shape) to the value specified by the <attr> argument. The
high-order byte of <attr> determines the start line of the cursor
within the character cell. The low-order byte of <attr> determines
the stop line of the cursor.
The settextcursor function uses the same format as the BIOS
routines in setting the cursor. Values for the cursor attribute are
shown below:
Cursor Shape
0x0707 Underline
0x0007 Full block cursor
0x0607 Double underline
0x2000 No cursor
Note that this function works only in text video modes.
Return Value
The function returns the previous cursor attribute, or -1 if an
error occurs (such as calling the function in a graphics screen
mode).
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