xref: /illumos-gate/usr/src/man/man3c/wcsdup.3c (revision 30165b7f6753bc3d48c52319bed7ec7b3ea36b3c)
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12.\" Copyright 2014 Garrett D'Amore <garrett@damore.org>
13.\"
14.Dd "Nov 4, 2014"
15.Dt WCSDUP 3C
16.Os
17.Sh NAME
18.Nm wcsdup
19.Nd duplicate wide-character string
20.Sh SYNOPSIS
21.In wchar.h
22.
23.Ft wchar_t
24.Fo wcsdup
25.Fa "const wchar_t *string"
26.Fc
27.
28.Sh DESCRIPTION
29The
30.Fn wcsdup
31function duplicates a wide-character
32.Fa string ,
33allocating sufficient memory to store the copy, and then
34copying from
35.Fa string .
36The resulting copy is returned.
37It may be deallocated with
38.Xr free 3C
39when it is no longer needed.
40The
41.Fn wcsdup
42function is the wide-character equivalent of
43.Xr strdup 3C .
44.Sh RETURN VALUES
45On success, the function
46.Fn wcsdup
47returns the newly allocated copy of the string; on failure it
48returns
49.Dv NULL
50and sets
51.Va errno .
52.Sh ERRORS
53The
54.Fn wcsdup
55function will fail if:
56.Bl -tag -width Er
57.It Er ENOMEM
58Insufficient memory was available to create the copy.
59.El
60.Sh INTERFACE STABILITY
61.Sy Standard .
62.Sh MT-LEVEL
63.Sy MT-Safe .
64.Sh SEE ALSO
65.Xr free 3C ,
66.Xr strdup 3C ,
67.Xr wcslen 3C ,
68.Xr wchar.h 3HEAD ,
69.Xr locale 5 ,
70.Xr standards 5
71.Sh STANDARDS
72The
73.Fn wcsdup
74function was introduced in
75.St -p1003.1-2008 .
76