Updated AVR32 demos and added AVR32 UC3B demo.

Demo/lwIP_AVR32_UC3/NETWORK/lwip-port/AT32UC3A/IAR/errno.h

@@ -0,0 +1,63 @@
+/* errno.h standard header */
+#ifndef _ERRNO
+#define _ERRNO
+
+#ifndef _SYSTEM_BUILD
+  #pragma system_include
+#endif
+
+#ifndef _YVALS
+  #include <yvals.h>
+#endif
+_C_STD_BEGIN
+
+                /* ERROR CODES */
+#define EDOM    _EDOM
+#define ERANGE  _ERANGE
+#define EFPOS   _EFPOS
+#define EILSEQ  _EILSEQ
+
+               /* lwip error codes, from cygwin errno.h */
+#define EIO 5		      /* I/O error */
+#define EWOULDBLOCK 11          /* Operation would block */
+#define ENOMEM 12	      /* Not enough core */
+#define EFAULT 14	                        /* Bad address */
+#define EINVAL 22	                        /* Invalid argument */
+#define ENOSYS 88                         /* Function not implemented */
+#define ECONNRESET 104            /* Connection reset by peer */
+#define ENOBUFS 105	     /* No buffer space available */
+#define ENOPROTOOPT 109	     /* Protocol not available */
+#define ESHUTDOWN 110	     /* Can't send after socket shutdown */
+#define EADDRINUSE 112	     /* Address already in use */
+#define ECONNABORTED 113     /* Connection aborted */
+#define EHOSTUNREACH 118	     /* Host is unreachable */
+#define ENOTCONN 128	     /* Socket is not connected */
+
+#define _NERR   129   /* one more than last code */
+
+                /* DECLARATIONS */
+_C_LIB_DECL
+#if !_MULTI_THREAD || _COMPILER_TLS && !_GLOBAL_LOCALE
+  extern int _TLS_QUAL errno;
+
+#else /* !_MULTI_THREAD || _COMPILER_TLS && !_GLOBAL_LOCALE */
+  __INTRINSIC int *_Geterrno(void);
+
+  #define errno (*_Geterrno())
+#endif /* !_MULTI_THREAD || _COMPILER_TLS && !_GLOBAL_LOCALE */
+_END_C_LIB_DECL
+_C_STD_END
+#endif /* _ERRNO */
+
+#ifdef _STD_USING
+  #ifndef errno
+    using _CSTD errno;
+  #endif
+#endif /* _STD_USING */
+/*
+ * Copyright (c) 1992-2002 by P.J. Plauger.  ALL RIGHTS RESERVED.
+ * Consult your license regarding permissions and restrictions.
+V3.12:0576 */
+
+
+