wcsdup(3) - Linux man page
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:
- _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
- Before glibc 2.10:
- _GNU_SOURCE
- _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
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
The wcsdup() function returns a pointer to the new wide-character string, or NULL if sufficient memory was not available.
Errors
- ENOMEM
Insufficient memory available to allocate duplicate string.
Conforming To
POSIX.1-2008. This function is not specified in POSIX.1-2001, and is not widely available on other systems.