Function get_parameter_section 

pub unsafe extern "C" fn get_parameter_section(
    i: u32,
    param_bytes: *mut u8,
    length: u32,
    offset: u32,
) -> i32

Write a section of the i-th parameter to the given location. Return the number of bytes written or -1 if the parameter does not exist. The location is assumed to contain enough memory to write the requested length into.