On Jan 19, 2018, at 10:21 PM, Brian Inglis <Brian.Inglis at SystematicSw.ab.ca> wrote: > PCs pre 68K and pre 386 protected mode DOS "extenders". OK, let me rephrase that as "*UN*X* ILP16 or I16LP32 platforms..."; "struct tm" was mainly a UN*Xism at that point.