WMEMCHR(3)              NetBSD Library Functions Manual             WMEMCHR(3)

NAME
     wmemchr, wmemcmp, wmemcpy, wmemmove, wmemset, wcscat, wcschr, wcscmp,
     wcscpy, wcscspn, wcslcat, wcslcpy, wcslen, wcsncat, wcsncmp, wcsncpy,
     wcsnlen, wcspbrk, wcsrchr, wcsspn, wcsstr, wcswcs -- wide-character
     string manipulation operations

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <wchar.h>

     wchar_t *
     wmemchr(const wchar_t *s, wchar_t c, size_t n);

     int
     wmemcmp(const wchar_t *s1, const wchar_t *s2, size_t n);

     wchar_t *
     wmemcpy(wchar_t * restrict s1, const wchar_t * restrict s2, size_t n);

     wchar_t *
     wmemmove(wchar_t *s1, const wchar_t *s2, size_t n);

     wchar_t *
     wmemset(wchar_t *s, wchar_t c, size_t n);

     wchar_t *
     wcscat(wchar_t * restrict s1, const wchar_t * restrict s2);

     wchar_t *
     wcschr(const wchar_t *s, wchar_t c);

     int
     wcscmp(const wchar_t *s1, const wchar_t *s2);

     wchar_t *
     wcscpy(wchar_t * restrict s1, const wchar_t * restrict s2);

     size_t
     wcscspn(const wchar_t *s1, const wchar_t *s2);

     size_t
     wcslcat(wchar_t *s1, const wchar_t *s2, size_t n);

     size_t
     wcslcpy(wchar_t *s1, const wchar_t *s2, size_t n);

     size_t
     wcslen(const wchar_t *s);

     wchar_t *
     wcsncat(wchar_t * restrict s1, const wchar_t * restrict s2, size_t n);

     int
     wcsncmp(const wchar_t *s1, const wchar_t * s2, size_t n);

     wchar_t *
     wcsncpy(wchar_t * restrict s1, const wchar_t * restrict s2, size_t n);

     size_t
     wcsnlen(const wchar_t *s, size_t maxlen);

     wchar_t *
     wcspbrk(const wchar_t *s1, const wchar_t *s2);

     wchar_t *
     wcsrchr(const wchar_t *s, wchar_t c);

     size_t
     wcsspn(const wchar_t *s1, const wchar_t *s2);

     wchar_t *
     wcsstr(const wchar_t *s1, const wchar_t *s2);

     wchar_t *
     wcswcs(const wchar_t *s1, const wchar_t *s2);

DESCRIPTION
     These functions implement string manipulation operations over wide-char-
     acter strings.  For a detailed description, refer to the documents for
     the respective single-byte counterpart, such as memchr(3).  The wcswcs()
     function is not a part of ISO/IEC 9899:1990 (``ISO C90'') and ISO/IEC
     9899/AMD1:1995 (``ISO C90, Amendment 1''), the wcsstr() function is
     strongly recommended to be used.

SEE ALSO
     memchr(3), memcmp(3), memcpy(3), memmove(3), memset(3), stpcpy(3),
     stpncpy(3), strcasecmp(3), strcat(3), strchr(3), strcmp(3), strcpy(3),
     strcspn(3), strdup(3), strlcat(3), strlcpy(3), strlen(3), strncat(3),
     strncmp(3), strncpy(3), strnlen(3), strpbrk(3), strrchr(3), strspn(3),
     strstr(3)

STANDARDS
     The wmemchr(), wmemcmp(), wmemcpy(), wmemmove(), wmemset(), wcscat(),
     wcschr(), wcscmp(), wcscpy(), wcscspn(), wcslen(), wcsncat(), wcsncmp(),
     wcsncpy(), wcspbrk(), wcsrchr(), wcsspn() and wcsstr() functions were
     first introduced in ISO/IEC 9899/AMD1:1995 (``ISO C90, Amendment 1'') and
     conform to ISO/IEC 9899:1999 (``ISO C99'').  Part of them: wmemmove(),
     wcscat(), wcscpy(), wcsncat() and wcsncpy() were modified in ISO/IEC
     9899:1999 (``ISO C99'') and gained the restrict keyword in parameter
     list, this new version is present in NetBSD.

     The wcswcs() function conforms to X/Open Portability Guide Issue 4,
     Version 2 (``XPG4.2''), it is recommended to use technically equivalent
     wcsstr() for maximum portability.

     The wcsnlen() function conforms to IEEE Std 1003.1-2008 (``POSIX.1'').

     The wcslcat() and wcslcpy() functions are NetBSD extensions.

NetBSD 7.0                     October 15, 2016                     NetBSD 7.0

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