Function Read2DArray 

pub unsafe extern "C" fn Read2DArray(
    arr: *mut *mut *mut c_void,
    infile: *mut c_char,
    linelen: c_long,
    nlines: c_long,
    tileparams: *mut tileparamT,
    elptrsize: usize,
    elsize: usize,
) -> c_int

Reads file of real data of size elsize. Assumes the native byte order of the platform.