StdLib: Add terminal type line editing (Interactive IO) for console devices.

Adds a subset of the terminal I/O capabilities described in the Single Unix Specification, V4.
Supports:
    Erase previous character.  Default is Backspace or ^H
    Erase line.  Default is ^U
TAB characters are supported and, by default, are rendered as 8 spaces.  They will still be read as a single TAB character.
Both Canonical and Non-Canonical modes are supported.
If a terminal device is opened with O_TTY_INIT in the mode, the device will be initialized to "sane" values for interactive use.  It will be in Canonical mode, Enter will be translated to NewLine and on output, a NewLine is translated to CRLF.  Echoing will be on, control characters are output as ^X, and TABs are expanded.
See the new <sys/termios.h> file for more information.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by:  daryl.mcdaniel@intel.com
Reviewed-by:    erik.c.bjorge@intel.com
Reviewed-by:    leroy.p.leahy@intel.com
Reviewed-by:    lee.g.rosenbaum@intel.com
Reviewed-by:    jaben.carsey@intel.com





git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13989 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/LibC/Uefi/InteractiveIO/IIO.inf

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+## @file
+#  Interactive I/O Library.
+#
+#  Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
+#  This program and the accompanying materials are licensed and made available
+#  under the terms and conditions of the BSD License which accompanies this
+#  distribution.  The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php.
+#
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+  INF_VERSION                   = 0x00010005
+  BASE_NAME                     = LibIIO
+  FILE_GUID                     = c1e9fffb-5557-4cb5-a5f5-1fbd902a74ed
+  MODULE_TYPE                   = UEFI_APPLICATION
+  VERSION_STRING                = 1.0
+  LIBRARY_CLASS                 = LibIIO
+
+#
+#  VALID_ARCHITECTURES          = IA32 X64
+#
+
+[Sources]
+  IIO.c
+  NonCanonRead.c
+  CanonRead.c
+  TerminalFunctions.c
+  IIOutilities.c
+  IIOwrite.c
+  IIOecho.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  StdLib/StdLib.dec
+  StdLibPrivateInternalFiles/DoNotUse.dec
+
+[LibraryClasses]
+  BaseLib
+  BaseMemoryLib
+  MemoryAllocationLib
+  LibC
+  LibWchar
+  LibContainer
+
+[Protocols]
+  gEfiSimpleTextInProtocolGuid          ## CONSUMES
+  gEfiSimpleTextOutProtocolGuid         ## CONSUMES