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# std.system

Information about the target operating `system`, environment, and CPU.
License:
Boost License 1.0.
Authors:
Walter Bright and Jonathan M Davis

Source: std/system.d

enum `OS`: int;
  Operating system.

  Note: This is for cases where you need a value representing the `OS` at runtime. If you're doing something which should compile differently on different OSes, then please use version(Windows), version(linux), etc.

  See Also:
  Predefined Versions
  `win32`
    Microsoft 32 bit Windows systems
  `win64`
    Microsoft 64 bit Windows systems
  `linux`
    All Linux Systems
  `osx`
    Mac OS X
  `freeBSD`
    FreeBSD
  `netBSD`
    NetBSD
  `solaris`
    Solaris
  `android`
    Android
  `otherPosix`
    Other Posix Systems
immutable OS `os`;
  The OS that the program was compiled for.
enum `Endian`: int;
  Byte order endianness.

  Note: This is intended for cases where you need to deal with endianness at runtime. If you're doing something which should compile differently depending on whether you're compiling on a big endian or little endian machine, then please use version(BigEndian) and version(LittleEndian).

  See Also:
  Predefined Versions
  `bigEndian`
    Big endian byte order
  `littleEndian`
    Little endian byte order
immutable Endian `endian`;
  The endianness that the program was compiled for.

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