Manpages - wcsdup.3

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NAME

wcsdup - duplicate a wide-character string

SYNOPSIS

  #include <wchar.h>

  wchar_t *wcsdup(const wchar_t *s);

Feature Test Macro Requirements for glibc (see *feature_test_macros*(7)):

*wcsdup*():

      Since glibc 2.10:
          _POSIX_C_SOURCE >= 200809L
      Before glibc 2.10:
          _GNU_SOURCE

DESCRIPTION

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 s.

Memory for the new wide-character string is obtained with *malloc*(3), and should be freed with *free*(3).

RETURN VALUE

On success, *wcsdup*() returns a pointer to the new wide-character string. On error, it returns NULL, with errno set to indicate the error.

ERRORS

ENOMEM
Insufficient memory available to allocate duplicate string.

ATTRIBUTES

For an explanation of the terms used in this section, see *attributes*(7).

Interface Attribute Value
*wcsdup*() Thread safety MT-Safe

CONFORMING TO

POSIX.1-2008. This function is not specified in POSIX.1-2001, and is not widely available on other systems.

SEE ALSO

*strdup*(3), *wcscpy*(3)

COLOPHON

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Author: dt

Created: 2022-02-21 Mon 14:34