On Wed, 22 Apr 2020 21:21:28 -0600, "Todd C. Miller" wrote: > That's fine with me. Those interfaces appeared in SunOS 4.0 according > to tzcode (which is where we got them from). They did *not* originate > in NetBSD. I've verified that they were present in SunOS 4.1.3U1, > though that code appears to be derived from tzcode too.
Bit Savers has scans of the SunOS 4.0 print manuals which includes a hard-copy of the man pages. Here you can see that timegm() and timelocal() were present in SunOS in 1987: archive.org/details/bitsavers_sunsunos4.erenceManual198805_78292584/page/n823/mode/2up However, they are not present in SunOS 3.5. You can see the list of library functions from intro(3) which includes gmtime(3) and localtime(3) but not their inverses: https://archive.org/details/bitsavers_sunsunos3.eManualInsertionPagesforRelease3.5198711_7929431/page/n145/mode/2up So I think it is safe to say that those interfaces originated in SunOS 4.0 and not an earlier version. - todd
