Reference

wmemchr(3)

wide character string manipulation operations

NAME

wcpcpy, wcpncpy, wcscasecmp, wcscat, wcschr, wcscmp, wcscpy, wcscspn, wcsdup, wcslcat, wcslcpy, wcslen, wcsncasecmp, wcsncat, wcsncmp, wcsncpy, wcsnlen, wcspbrk, wcsrchr, wcsspn, wcsstr, wmemchr, wmemcmp, wmemcpy, wmemmove, wmemset – wide character string manipulation operations

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <wchar.h>

wchar_t *

wcpcpy(wchar_t *s1, wchar_t *s2);

wchar_t *

wcpncpy(wchar_t *s1, wchar_t *s2, size_t n);

int

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

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);

wchar_t *

wcsdup(const wchar_t *s);

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);

int

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

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 * restrict s1, const wchar_t * restrict s2);

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);

#include <wchar.h>

#include <xlocale.h>

int

wcscasecmp_l(const wchar_t *s1, const wchar_t *s2, locale_t loc);

int

wcsncasecmp_l(const wchar_t *s1, const wchar_t *s2, size_t n, locale_t loc);

DESCRIPTION

The functions implement string manipulation operations over wide character strings. For a detailed description, refer to documents for the respective single-byte counterpart, such as memchr(3).

SEE ALSO

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

STANDARDS

These functions conform to ISO/IEC 9899:1999 (“ISO C99”), with the exception of wcpcpy(), wcpncpy(), wcscasecmp(), wcscasecmp_l(), wcsdup(), wcsncasecmp(), wcsncasecmp_l(), and wcsnlen(), which conform to IEEE Std 1003.1-2008 (“POSIX.1”); and wcslcat() and wcslcpy(), which are extensions.

History