Function SCIPsolPrintExact 

pub unsafe extern "C" fn SCIPsolPrintExact(
    sol: *mut SCIP_SOL,
    set: *mut SCIP_SET,
    messagehdlr: *mut SCIP_MESSAGEHDLR,
    stat: *mut SCIP_STAT,
    prob: *mut SCIP_PROB,
    transprob: *mut SCIP_PROB,
    file: *mut FILE,
    mipstart: c_uint,
    printzeros: c_uint,
) -> SCIP_RETCODE

outputs non-zero elements of solution to file stream