Description:
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reference/dio/functions/dio-seek.xml

In the new doc you said :
"SEEK_END - Specifies that pos is a count of characters from the end of the file. A negative count specifies a position within the current extent of the file; a positive count specifies a position past the current end. If you set the position past the current end, and actually write data, you will extend the file with zeros up to that position."

And in the example :
"dio_seek($fd, SEEK_END, -10);
// position is now at 10 characters past the end of the file.
// The 10 characters between the end of the file and the current
// position are filled with zeros."


I think you do the inverse... ? you said in the doc that - remain in the file, and + pad with 0, but in the example it seems to be the inverse. You do -10, and you said it goes after the end...

If the doc is ok, it should be a little bit more explicit.