ORCA-C/Tests/Conformance/c89oldfeat.c

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/*
* Test old features from C89/C90 that have been removed or deprecated in C99+.
*/
int printf(const char *, ...);
#define M+4 /* no whitespace after macro name */
main () /* implicit int, no prototypes */
{
auto i,j; /* implicit int */
j = M;
i = (const) j; /* implicit int */
i = (volatile) j;
if (f(i) == 8) /* calling undeclared function */
{
printf ("Passed Conformance Test c89oldfeat\n");
return 0;
};
printf ("Failed Conformance Test c89oldfeat\n");
return; /* return no value from a function returning int */
}
f(x) /* implicit int, no prototypes */
/* implicit int parameter x */
{
return x * 2;
}