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wcsdup(3)


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 -1, 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 4.09 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/.



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