208   sqlite3_value *pValue;  member
236       p->pValue = sqlite3_value_dup(apArg[0]);  in nth_valueStepFunc()
237       if( !p->pValue ){  in nth_valueStepFunc()
254   if( p && p->pValue ){  in nth_valueFinalizeFunc()
255     sqlite3_result_value(pCtx, p->pValue);  in nth_valueFinalizeFunc()
256     sqlite3_value_free(p->pValue);  in nth_valueFinalizeFunc()
257     p->pValue = 0;  in nth_valueFinalizeFunc()
270   if( p && p->pValue==0 ){  in first_valueStepFunc()
271     p->pValue = sqlite3_value_dup(apArg[0]);  in first_valueStepFunc()
272     if( !p->pValue ){  in first_valueStepFunc()
282   if( p && p->pValue ){  in first_valueFinalizeFunc()
283     sqlite3_result_value(pCtx, p->pValue);  in first_valueFinalizeFunc()
284     sqlite3_value_free(p->pValue);  in first_valueFinalizeFunc()
285     p->pValue = 0;  in first_valueFinalizeFunc()