Fred J. Tydeman wrote, on 17 May 2022: > > The 202x version I have, in <time.h>, shows tv_nsec tagged as CX. > tv_nsec was added to C11, so is not an extension to the C standard.
The current draft (2.1) is from before the changes to align with C17 were applied. The relevant change to <time.h> can be seen on page 26 lines 928-935 of C17_alignment_20211019.pdf which is the bug 1302 attachment referenced in the "Final Accepted Text" field of that bug. https://austingroupbugs.net/view.php?id=1302 -- Geoff Clare <g.cl...@opengroup.org> The Open Group, Apex Plaza, Forbury Road, Reading, RG1 1AX, England