xref: /titanic_50/usr/src/man/man3c/wcsdup.3c (revision 8b87c15576a5138f88a969448b43561bf5968c09)
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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.  It may be deallocated with
37.Xr free 3C
38when it is no longer needed.  The
39.Fn wcsdup
40function is the wide-character equivalent of
41.Xr strdup 3C .
42.Sh RETURN VALUES
43On success, the function
44.Fn wcsdup
45returns the newly allocated copy of the string; on failure it
46returns
47.Dv NULL
48and sets
49.Va errno .
50.Sh ERRORS
51The
52.Fn wcsdup
53function will fail if:
54.Bl -tag -width Er
55.It Er ENOMEM
56Insufficient memory was available to create the copy.
57.El
58.Sh INTERFACE STABILITY
59.Sy Standard .
60.Sh MT-LEVEL
61.Sy MT-Safe .
62.Sh SEE ALSO
63.Xr free 3C ,
64.Xr strdup 3C ,
65.Xr wcslen 3C ,
66.Xr wchar.h 3HEAD ,
67.Xr locale 5 ,
68.Xr standards 5
69.Sh STANDARDS
70The
71.Fn wcsdup
72function was introduced in
73.St -p1003.1-2008 .
74