+#define cpy(n, s) \
+ add ((n), \
+ if (to_lowcase) \
+ memcpy_lowcase (p, (s), _n LOCALE_ARG); \
+ else if (to_uppcase) \
+ memcpy_uppcase (p, (s), _n LOCALE_ARG); \
+ else \
+ MEMCPY ((PTR) p, (const PTR) (s), _n))
+
+#ifdef COMPILE_WIDE
+# ifndef USE_IN_EXTENDED_LOCALE_MODEL
+# undef __mbsrtowcs_l
+# define __mbsrtowcs_l(d, s, l, st, loc) __mbsrtowcs (d, s, l, st)
+# endif
+# define widen(os, ws, l) \
+ { \
+ mbstate_t __st; \
+ const char *__s = os; \
+ memset (&__st, '\0', sizeof (__st)); \
+ l = __mbsrtowcs_l (NULL, &__s, 0, &__st, loc); \
+ ws = (wchar_t *) alloca ((l + 1) * sizeof (wchar_t)); \
+ (void) __mbsrtowcs_l (ws, &__s, l, &__st, loc); \
+ }
+#endif
+
+
+#if defined _LIBC && defined USE_IN_EXTENDED_LOCALE_MODEL
+/* We use this code also for the extended locale handling where the
+ function gets as an additional argument the locale which has to be
+ used. To access the values we have to redefine the _NL_CURRENT
+ macro. */
+# define strftime __strftime_l
+# define wcsftime __wcsftime_l
+# undef _NL_CURRENT
+# define _NL_CURRENT(category, item) \
+ (current->values[_NL_ITEM_INDEX (item)].string)
+# define LOCALE_PARAM , loc
+# define LOCALE_ARG , loc
+# define LOCALE_PARAM_DECL __locale_t loc;
+# define LOCALE_PARAM_PROTO , __locale_t loc
+# define HELPER_LOCALE_ARG , current
+#else
+# define LOCALE_PARAM
+# define LOCALE_PARAM_PROTO
+# define LOCALE_ARG
+# define LOCALE_PARAM_DECL
+# ifdef _LIBC
+# define HELPER_LOCALE_ARG , _NL_CURRENT_DATA (LC_TIME)
+# else
+# define HELPER_LOCALE_ARG
+# endif
+#endif
+
+#ifdef COMPILE_WIDE
+# ifdef USE_IN_EXTENDED_LOCALE_MODEL
+# define TOUPPER(Ch, L) __towupper_l (Ch, L)
+# define TOLOWER(Ch, L) __towlower_l (Ch, L)
+# else
+# define TOUPPER(Ch, L) towupper (Ch)
+# define TOLOWER(Ch, L) towlower (Ch)
+# endif