Changes so that Argv points to narrow-character versions of the command-line arguments.

Fix "long double" handling and differences between MSFT and GCC compilers.
Fix compliance issues with ISO/IEC 9899:199409
New Function declarations:
	setenv(), fparseln(), GetFileNameFromPath(), rename()


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12060 6f19259b-4bc3-4df7-8a09-765794883524

StdLibPrivateInternalFiles/Include/Device/Console.h

@@ -51,10 +51,11 @@ __BEGIN_DECLS
 int
 EFIAPI
 da_ConOpen(
+  IN  DeviceNode         *DevNode,
   IN  struct __filedes   *filp,
-  IN  void               *DevInstance,
+  IN  int                 DevInstance,
   IN  CHAR16             *Path,
-  IN  CHAR16             *Flags
+  IN  CHAR16             *MPath
 );
 
 __END_DECLS