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.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" References consulted:
.\" GNU glibc-2 source code and manual
.\" Dinkumware C library reference http://www.dinkumware.com/
.\" OpenGroup's Single Unix specification http://www.UNIX-systems.org/online.html
.\" ISO/IEC 9899:1999
.\"
.TH WCSSTR 3 1999-07-25 "GNU" "Linux Programmer's Manual"
.SH NAME
wcsstr \- locate a substring in a wide-character string
.SH SYNOPSIS
.nf
.B #include <wchar.h>
.sp
.BI "wchar_t *wcsstr(const wchar_t *" haystack ", const wchar_t *" needle );
.fi
.SH DESCRIPTION
The \fBwcsstr\fP() function is the wide-character equivalent of the \fBstrstr\fP()
function. It searches for the first occurrence of the wide-character string
\fIneedle\fP (without its terminating L'\\0' character) as a substring in
the wide-character string \fIhaystack\fP.
.SH "RETURN VALUE"
The \fBwcsstr\fP() function returns a pointer to the first occurrence of
\fIneedle\fP in \fIhaystack\fP. It returns NULL if \fIneedle\fP does not occur
as a substring in \fIhaystack\fP.
.PP
Note the special case: If \fIneedle\fP is the empty wide-character string,
the return value is always \fIhaystack\fP itself.
.SH "CONFORMING TO"
C99.
.SH "SEE ALSO"
.BR strstr (3),
.BR wcschr (3)
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