pub fn find_next_data(
    fd: &dyn AsRawDescriptor,
    offset: u64,
    len: u64,
) -> Result<Option<Range<u64>>>Expand description
Find the offset range of the next data in the file.
§Arguments
fd- the AsRawDescriptor of the fileoffset- the offset to start traversing fromlen- the len of the region over which to traverse