errno

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. alias errno = _errno
  2. alias errno = __errno_location
  3. alias errno = __errno_location
  4. alias errno = __errno
  5. alias errno = __errno
  6. alias errno = __errno
  7. alias errno = __error
  8. alias errno = __error
  9. alias errno = __errno
  10. alias errno = __errno_location
  11. alias errno = __error
    version(!CRuntime_Microsoft && !CRuntime_Glibc && !CRuntime_Musl && !CRuntime_Newlib && !OpenBSD && !NetBSD && !FreeBSD && !DragonFlyBSD && !CRuntime_Bionic && !CRuntime_UClibc && Darwin)
    extern (C) @trusted nothrow @nogc
    alias errno = __error
  12. alias errno = ___errno
  13. alias errno = _errnop

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