Yes, because all compilers support a non-standard defer mechanism, its now being considered for inclusion into standard C. [0] And that suggested defer standar

Yes, because all compilers support a non-standard defer mechanism, its now being considered for inclusion into standard C. [0] And that suggested defer standard, is already available from GCC 9 and clang 22. [0] https://www.open-std.org/JTC1/SC22/WG14/www/docs/n3734.pdf https://www.open-std.org/JTC1/SC22/WG14/www/docs/n3734.pdf