Function SCIPtreeMarkProbingNodeHasLP 

pub unsafe extern "C" fn SCIPtreeMarkProbingNodeHasLP(
    tree: *mut SCIP_TREE,
    blkmem: *mut BMS_BLKMEM,
    lp: *mut SCIP_LP,
) -> SCIP_RETCODE

marks the probing node to have a solved LP relaxation