Function SCIPtreeCreateProbingNode 

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

creates a new probing child node in the probing path