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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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wcsstr(3) Library Functions Manual wcsstr(3)
wcsstr - locate a substring in a wide-character string
Standard C library (libc, -lc)
#include <wchar.h>
wchar_t *wcsstr(const wchar_t *haystack, const wchar_t *needle);
The wcsstr() function is the wide-character equivalent of the
strstr(3) function. It searches for the first occurrence of the
wide-character string needle (without its terminating null wide
character (L'\0')) as a substring in the wide-character string
haystack.
The wcsstr() function returns a pointer to the first occurrence
of needle in haystack. It returns NULL if needle does not occur
as a substring in haystack.
Note the special case: If needle is the empty wide-character
string, the return value is always haystack itself.
For an explanation of the terms used in this section, see
attributes(7).
┌─────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├─────────────────────────────────────┼───────────────┼─────────┤
│ wcsstr() │ Thread safety │ MT-Safe │
└─────────────────────────────────────┴───────────────┴─────────┘
C11, POSIX.1-2008.
POSIX.1-2001, C99.
strstr(3), wcschr(3)
This page is part of the man-pages (Linux kernel and C library
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Linux man-pages 6.9.1 2024-06-15 wcsstr(3)
Pages that refer to this page: strstr(3), wcschr(3), signal-safety(7)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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