wcsdup - Untitled
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### 5.43 `wcsdup`—wide character string duplicate

Synopsis

         #include <wchar.h>
         wchar_t *wcsdup(const wchar_t *str);

         #include <wchar.h>
         wchar_t *_wcsdup_r(struct _reent *ptr, const wchar_t *str);

Description
`wcsdup` allocates a new wide character string using `malloc`, and copies the content of the argument str into the newly allocated string, thus making a copy of str.

Returns
`wcsdup` returns a pointer to the copy of str if enough memory for the copy was available. Otherwise it returns NULL and errno is set to ENOMEM.

Portability
POSIX-1.2008