On Wed, 10 Mar 2021, Alejandro Colomar (man-pages) via Libc-alpha wrote: > And the manual page states that it conforms to some standards, but I haven't > found it in C99 (neither in C11 nor C18) nor in POSIX: The strfrom functions are in TS 18661-1, and draft C23 which integrated all of TS 18661-1 and -2 and parts of -4 (-3 will be added in an Annex). They use restrict in both places. So it would be appropriate to use __restrict in the glibc header (as documentation, qualifiers on function parameter types in a declaration that isn't a definition don't have any semantic effect). -- Joseph S. Myers joseph@xxxxxxxxxxxxxxxx
