switch (quad->opnd1.tipo) { case INTOPND: tipo1 = INTOPND; valint1 = quad->opnd1.atr.valint; break; case REALOPND: tipo1 = REALOPND; valfloat1 = quad->opnd1.atr.valfloat; break; case CHAROPND: tipo1 = CHAROPND; valchar1 = quad->opnd1.atr.valchar; break; case LOGICOPND: tipo1 = LOGICOPND; vallogic1 = quad->opnd1.atr.vallogic; break;