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memory-address

How to printf a memory address in C

Use the format specifier %p: The standard requires that the argument is of type void* for %p specifier. Since, printf is a variadic function, there’s no implicit conversion to void * from T * which would happen implicitly for any non-variadic functions in C. Hence, the cast is required. To quote the standard: 7.21.6 Formatted … Read more

Categories pointers Tags c, memory-address, pointers, printf, unary-operator

C++ Double Address Operator? (&&)

This is C++11 code. In C++11, the && token can be used to mean an “rvalue reference”.

Categories stl Tags c++, memory-address, operator-keyword, stl

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