wcsdup - duplicate a wide-character string
#include <wchar.h> wchar_t *wcsdup(const wchar_t *s);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
Since glibc 2.10: _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE
The wcsdup() function is the wide-character equivalent of the strdup(3) function. It allocates and returns a new wide-character string whose initial contents is a duplicate of the wide-character string pointed to by
On success, wcsdup() returns a pointer to the new wide-character string. On error, it returns NULL, with
errno set to indicate the cause of the error.
Insufficient memory available to allocate duplicate string.
For an explanation of the terms used in this section, see attributes(7).
POSIX.1-2008. This function is not specified in POSIX.1-2001, and is not widely available on other systems.
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