Standard library header <cstdalign>, <stdalign.h>

This header was originally in the C standard library as <stdalign.h>.

C compatibility header.

Macros
__alignas_is_defined (C++11)	C compatibility macro constant, expands to integer literal 1 (macro constant)

Notes

<cstdalign> is deprecated in C++17 and removed in C++20. Corresponding <stdalign.h> is still available in C++20.