wcsdup(3) Library Functions Manual wcsdup(3)
NAME
wcsdup - duplicate a wide-character string
LIBRARY
Standard C library (libc, -lc)
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 er-
ror.
ERRORS
ENOMEM Insufficient memory available to allocate duplicate string.
ATTRIBUTES
For an explanation of the terms used in this section, see attrib-
utes(7).
┌───────────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├───────────────────────────────────────────┼───────────────┼─────────┤
│ wcsdup() │ Thread safety │ MT-Safe │
└───────────────────────────────────────────┴───────────────┴─────────┘
STANDARDS
POSIX.1-2008.
HISTORY
libc5, glibc 2.0.
SEE ALSO
strdup(3), wcscpy(3)
Linux man-pages 6.7 2023-10-31 wcsdup(3)
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