Function read_lines 

pub fn read_lines<R: Read>(
    reader: R,
    line_count: usize,
    skip_lines: usize,
    read_limit: usize,
) -> Result<(Vec<String>, String)>

Read lines forward from a reader.

• line_count: max lines to return (0 = unlimited)
• skip_lines: number of initial lines to skip
• read_limit: max bytes to read (0 = unlimited)

Returns (lines, stop_reason).