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#ifdef TEST_LANG_DEFINES #ifdef CONSUMER_LANG_CXX #error Unexpected CONSUMER_LANG_CXX #endif #ifndef CONSUMER_LANG_C #error Expected CONSUMER_LANG_C #endif #if !LANG_IS_C #error Expected LANG_IS_C #endif #if LANG_IS_CXX #error Unexpected LANG_IS_CXX #endif #endif void consumer_c() { }