Function fitsio_sys::ffxypx

pub unsafe extern "C" fn ffxypx(
    xpos: c_double, 
    ypos: c_double, 
    xref: c_double, 
    yref: c_double, 
    xrefpix: c_double, 
    yrefpix: c_double, 
    xinc: c_double, 
    yinc: c_double, 
    rot: c_double, 
    type_: *mut c_char, 
    xpix: *mut c_double, 
    ypix: *mut c_double, 
    status: *mut c_int
) -> c_int