Cake reports usage of uninitialized variables. http://cakecc.org/playground.html?code=I3ByYWdtYSBzYWZldHkgZW5hYmxlCgppbnQgbWFpbihpbnQgYXJnYywgY2hhcioqIGFyZ3YpCnsKICAgIGludCB4OwogICAgaW50IHk7CiAgICB4ID0gMjsKICAgIGlmIChhcmdjID4gMSkKICAgICAgICB5ID0gMjM7ICAgIAogICAgcmV0dXJuIHggKyB5Owp9&to=-2&options= In C, local variables like T x; are always uninitiated does matter the type T. Uniform and simple.