Function SCIPinsertDatatreeIntArray 

pub unsafe extern "C" fn SCIPinsertDatatreeIntArray(
    scip: *mut SCIP,
    datatree: *mut SCIP_DATATREE,
    name: *const c_char,
    values: *const c_int,
    nvalues: c_int,
) -> SCIP_RETCODE

inserts an int array into a SCIP_DATATREE object

The value will be stored as array of SCIP_Longint.