Function SCIPcolFree 

pub unsafe extern "C" fn SCIPcolFree(
    col: *mut *mut SCIP_COL,
    blkmem: *mut BMS_BLKMEM,
    set: *mut SCIP_SET,
    eventqueue: *mut SCIP_EVENTQUEUE,
    lp: *mut SCIP_LP,
) -> SCIP_RETCODE

frees an LP column