#include "data/casereader.h"
#include "data/casewriter.h"
#include "data/subcase.h"
#include "data/casereader.h"
#include "data/casewriter.h"
#include "data/subcase.h"
if ( var_is_value_missing (var, case_data (c, var), exclude))
{
if ( var_is_value_missing (var, case_data (c, var), exclude))
{