wcsstr(3) — Linux manual page

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | CONFORMING TO | SEE ALSO | COLOPHON

WCSSTR(3)               Linux Programmer's Manual              WCSSTR(3)

NAME         top

       wcsstr - locate a substring in a wide-character string

SYNOPSIS         top

       #include <wchar.h>

       wchar_t *wcsstr(const wchar_t *haystack, const wchar_t *needle);

DESCRIPTION         top

       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.

RETURN VALUE         top

       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.

ATTRIBUTES         top

       For an explanation of the terms used in this section, see
       attributes(7).

       ┌──────────────────────────────────────┬───────────────┬─────────┐
       │Interface                             Attribute     Value   │
       ├──────────────────────────────────────┼───────────────┼─────────┤
       │wcsstr()                              │ Thread safety │ MT-Safe │
       └──────────────────────────────────────┴───────────────┴─────────┘

CONFORMING TO         top

       POSIX.1-2001, POSIX.1-2008, C99.

SEE ALSO         top

       strstr(3), wcschr(3)

COLOPHON         top

       This page is part of release 5.13 of the Linux man-pages project.
       A description of the project, information about reporting bugs,
       and the latest version of this page, can be found at
       https://www.kernel.org/doc/man-pages/.

GNU                            2021-03-22                      WCSSTR(3)

Pages that refer to this page: strstr(3)wcschr(3)signal-safety(7)