Standard library header <stdalign.h> (C11)(deprecated in C23)

From cppreference.com

This header is part of the

types support

library.

Macros

alignas

(C11)(removed in C23)

convenience macro, expands to keyword

_Alignas

(keyword macro)alignof

(C11)(removed in C23)

convenience macro, expands to keyword

_Alignof

(keyword macro)Constants

__alignas_is_defined

(C11)(removed in C23)

expands to integer constant 1
(macro constant)__alignof_is_defined

(C11)(removed in C23)

expands to integer constant 1
(macro constant)Synopsis

#if __STDC_VERSION__ < 202311L#define alignas _Alignas#define alignof _Alignof#define __alignas_is_defined 1#define __alignof_is_defined 1#endif