wcsdup - Online Linux Manual PageSection : 3
Updated : 2022-12-15
Source : Linux man-pages 6.03

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NAMEwcsdup − duplicate a wide-character string

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LIBRARYStandard C library (libc, −lc)

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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

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DESCRIPTIONThe 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).

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

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ERRORSENOMEM  Insufficient memory available to allocate duplicate string.

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ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7). InterfaceAttributeValue wcsdup() Thread safetyMT-Safe

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

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SEE ALSOstrdup(3), wcscpy(3) 0

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