__errno

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.

version(!CRuntime_Microsoft && !CRuntime_Glibc && !CRuntime_Musl && !CRuntime_Newlib && !OpenBSD && !NetBSD && !FreeBSD && DragonFlyBSD)

extern (C) @trusted nothrow @nogc pragma(mangle, "errno")

int __errno;

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