opal_check
if (opal_check() == 0)
int opal_check(void);
if (opal_check() != 0)
if (opal_check() != 0)
if (opal_check() != 0)
if (opal_check() != 0)
if (opal_check() == 0)
opal_check();
if (opal_check() != 0)
} else if (opal_check() == 0) {