fn tm_to_offset(_unix_timestamp: i64, tm: tm) -> Option<UtcOffset>Available on crate feature
local-offset and (Redox or Linux or L4Re or Android or Emscripten or macOS or iOS or watchOS or FreeBSD or DragonFly BSD or OpenBSD or NetBSD or Haiku) only.Expand description
Convert a libc::tm to a UtcOffset. Returns None on any error.