Top "Sizeof" questions

Why do C++ classes without member variables occupy space?

I found that both MSVC and GCC compilers allocate at least one byte per each class instance even if the …

c++ class sizeof predicate

What does 'sizeof (function name)' return?

Sample code: int main(void) { printf ("size = %d\n", sizeof(main)); } What is the returned value sizeof applied to a …

c function sizeof

Loop starting at -1 doesn't print anything

This program is supposed to print out the elements of array, but when it is run, no output is shown. #…

c loops integer sizeof negative-number

sizeof() structures not known. Why?

Why can't I use sizeof() on simple structs? eg: private struct FloatShortPair { public float myFloat; public short myShort; }; int size = …

c# struct sizeof

About sizeof of a class member function pointer

Let's say we have a class A class A; and these typedefs typedef void (A::*a_func_ptr)(void); typedef …

c++ class pointers sizeof member

Why sizeof int is wrong, while sizeof(int) is right?

We know that sizeof is an operator used for calculating the size of any datatype and expression, and when the …

c++ c sizeof