Function ReadAltSampFile 

pub unsafe extern "C" fn ReadAltSampFile(
    arr1: *mut *mut *mut f32,
    arr2: *mut *mut *mut f32,
    infile: *mut c_char,
    linelen: c_long,
    nlines: c_long,
    tileparams: *mut tileparamT,
) -> c_int