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WCSDUP(3) | Linux Programmer's Manual | WCSDUP(3) |
NAME¶
wcsdup - duplicate a wide-character stringSYNOPSIS¶
#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 cause of 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¶
This page is part of release 4.16 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.2017-09-15 | GNU |