Function ReadWeightsFile 

pub unsafe extern "C" fn ReadWeightsFile(
    weightsptr: *mut *mut *mut c_short,
    weightfile: *mut c_char,
    linelen: c_long,
    nlines: c_long,
    tileparams: *mut tileparamT,
) -> c_int

Read in weights form rowcol format file of short ints.