ORCA-C/Tests/Spec.Deviance/SPD17.6.0.3.CC

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/* Deviance Test 17.6.0.3: Ensure illegal parameters for ungetc are detected */
#include <stdio.h>
FILE *f1;
int i;
main ()
{
i = ungetc ('a', f1); /* trying to read an unopened stream */
if (i != EOF)
goto Fail;
if (! (feof (f1)) ) /* ensure error and not just EOF */
goto Fail;
printf ("Passed Deviance Test 17.6.0.3\n");
return;
Fail:
printf ("Failed Deviance Test 17.6.0.3\n");
}