Empty parentheses mean (void)

Changes in new versions / C23

bool, true and false are keywords
The nullptr constant
constexpr constants
Type inference with typeof and auto
Standard attributes [[...]]
Binary literals and digit separators
Embedding a file with #embed
Empty parentheses mean (void)
Bit-precise integers: _BitInt(N)
Checked arithmetic with stdckdint.h
The empty initializer = {}
Enums with a fixed underlying type
Preprocessor: #elifdef and __has_include
Labels before declarations

Empty parentheses mean (void)

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