1 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
3 .\" This is free documentation; you can redistribute it and/or
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8 .\" References consulted:
9 .\" GNU glibc-2 source code and manual
10 .\" Dinkumware C library reference http://www.dinkumware.com/
11 .\" OpenGroup's Single Unix specification http://www.UNIX-systems.org/online.html
14 .TH WCSSTR 3 1999-07-25 "GNU" "Linux Programmer's Manual"
16 wcsstr \- locate a substring in a wide-character string
21 .BI "wchar_t *wcsstr(const wchar_t *" haystack ", const wchar_t *" needle );
26 function is the wide-character equivalent of the
29 It searches for the first occurrence of the wide-character string
30 \fIneedle\fP (without its terminating L\(aq\\0\(aq character) as a substring in
31 the wide-character string \fIhaystack\fP.
35 function returns a pointer to the first occurrence of
36 \fIneedle\fP in \fIhaystack\fP.
37 It returns NULL if \fIneedle\fP does not occur
38 as a substring in \fIhaystack\fP.
40 Note the special case:
41 If \fIneedle\fP is the empty wide-character string,
42 the return value is always \fIhaystack\fP itself.