wchar_t *wcsdup(const wchar_t *s);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
Since glibc 2.10:
_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
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
Memory for the new wide-character string is obtained with malloc(3),
and should be freed with free(3).
On success, wcsdup() returns a pointer to the new wide-character
string. On error, it returns -1, with errno set to indicate the cause
of the error.
ENOMEM Insufficient memory available to allocate duplicate string.
POSIX.1-2008. This function is not specified in POSIX.1-2001, and is
not widely available on other systems.
This page is part of release 3.54 of the Linux man-pages project. A
description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU 2013-04-19 WCSDUP(3)
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