Fstream.put fill section

[demon64]

Hello,
using fstream.put can i put (fill ) same value within range
like

fstream test;
start >>> test.seekp(0x000001FF)
end >>> test.seekp(0x00000FFF)
to write >>> test.put(0x00)


so from start to end all values are 0x00 in binary file

Thanks.

[demon64]

Bump
cant find solution.