pub unsafe extern "C" fn ffghbn( fptr: *mut fitsfile, maxfield: c_int, naxis2: *mut c_long, tfields: *mut c_int, ttype: *mut *mut c_char, tform: *mut *mut c_char, tunit: *mut *mut c_char, extname: *mut c_char, pcount: *mut c_long, status: *mut c_int) -> c_int