[ 12%] Generating c/examples/pop_and_push/main.c [ERROR] invalid arg goto stackTest->insertTest1(shutdown); you shoud impl Impl* stackTest, struct Stack* stack, __code next(...) make[3]: *** [CMakeFiles/pop_and_push.dir/build.make:81: c/examples/pop_and_push/main.c] Error 25 make[3]: *** Deleting file 'c/examples/pop_and_push/main.c'