Add Socket Libraries.

Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
  setenv(), fparseln(), GetFileNameFromPath(), rename(),
  realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
  strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
  mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
  writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
  bcopy(), 


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/Include/X64/machine/limits.h

@@ -1,3 +1,25 @@
 #include  <x86/limits.h>
 
 #define __POINTER_BIT   64
+
+#if defined(__GNUC__)
+#define __LONG_BIT      64
+/** minimum value for an object of type long int **/
+#define __LONG_MIN    (-9223372036854775807L - 1L) // -(2^63 - 1)
+
+/** maximum value for an object of type long int **/
+#define __LONG_MAX    +9223372036854775807L // 2^63 - 1
+
+/** maximum value for an object of type unsigned long int **/
+#define __ULONG_MAX   0xFFFFFFFFFFFFFFFFUL // 2^64 - 1
+#else
+#define __LONG_BIT      32
+/** minimum value for an object of type long int **/
+#define __LONG_MIN    (-2147483647L - 1L) // -(2^31 - 1)
+
+/** maximum value for an object of type long int **/
+#define __LONG_MAX    +2147483647L // 2^31 - 1
+
+/** maximum value for an object of type unsigned long int **/
+#define __ULONG_MAX   0xffffffff // 2^32 - 1
+#endif