Question

What is tge data type that occupies the least storage space in c language?

Answer 1

There are different data types in C associated to each variable and occupies different amount of memory.

• The char data type is used to store a single character and is the most basic data type in C.

• It requires only one byte of memory for storage and can contain both positive and negative values.

There are also other datatypes which occupy the same memory of one byte.

• Bool
• Unsigned Char

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Answer 2

The nearest C++ has to an information compose that consumes little or no space is void. In any case, void is anything but a general kind, in spite of the fact that I hear there is a proposition in C++20 to move void toward this path.

Numerous C++ ABIs actualize an enhancement known as the Empty Base Optimization. As the name proposes, this influences legacy. In particular: If you have a vacant base class, it is permitted to possess zero space in a determined class' format. To be clear however, the inferred class still should be non-zero in the size.