struct – Empty structure in C – Stack Overflow, Support for empty structs in C are an extension in GCC. In C++ and empty struct/class member-specification is explicitly permitted, but the size is defined to be 1 – unless as part of the empty base optimization the compiler is allowed to make an empty base.
Sizeof empty struct is 0 byte in C but in C++ it is 1 byte.
Are you talking C or C++ because the size of an empty structure in C++ is 1 and while the size of an empty structure in C is 0 there is no point in having one as it serves no purpose; it produces a warning from my compiler.
6/15/2011 · So C++ adds minimum allowable size (1 byte) to an Empty Struct . But C Program it is different. gcc under linux reports the size to be 0. When some one first told me this I found it completely absurd as I failed to assign any logical explanation to this? I researched on and consulted latest c specification which suggests: In C , an Empty struct …
In this article we are going to learn about size of structure with no members (or Empty Structure ) in C++ language with an example. Yes, it is allowed in C++ programming language that we can declare a structure without any member and in that case the size of the structure with no members will be 1. It will be a One Bye structure .
10/10/2011 · Size of an empty class is not zero. It is 1 byte generally. It is nonzero to ensure that the two different objects will have different addresses. See the following example.
Study C MCQ Questions and Answers on Structures and Pointers . C Structures are widely used in the code of hardware drivers and operating systems. Easily attend technical job interviews after reading these Multiple Choice Questions. Go through C Theory Notes on Structures and Pointers before studying these questions.
Great! Check your inbox and click the link to confirm your subscription, You have already used a simple structure named Books. Structures in C# are quite different from that in traditional C or C++ . The C# structures have the following features ? Structures can have methods, fields, indexers, properties, operator methods, and events. Structures can have defined constructors, but