WCSXFRM(3) BSD Library Functions Manual WCSXFRM(3)NAME
wcsxfrm -- transform a wide string under locale
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <wchar.h>
size_t
wcsxfrm(wchar_t * restrict dst, const wchar_t * restrict src, size_t n);
DESCRIPTION
The wcsxfrm() function transforms a nul-terminated wide-character string pointed to by src according to the current locale collation order
then copies the transformed string into dst. No more than n wide characters are copied into dst, including the terminating nul character
added. If n is set to 0 (it helps to determine an actual size needed for transformation), dst is permitted to be a null pointer.
Comparing two strings using wcscmp() after wcsxfrm() is equivalent to comparing two original strings with wcscoll().
RETURN VALUES
Upon successful completion, wcsxfrm() returns the length of the transformed string not including the terminating nul character. If this
value is n or more, the contents of dst are indeterminate.
SEE ALSO setlocale(3), strxfrm(3), wcscmp(3), wcscoll(3)STANDARDS
The wcsxfrm() function conforms to ISO/IEC 9899:1999 (``ISO C99'').
BUGS
The current implementation of wcsxfrm() function disregards LC_COLLATE locales, and falls back to using the wcsncpy() function.
BSD October 13, 2006 BSD
Check Out this Related Man Page
WCSXFRM(3) BSD Library Functions Manual WCSXFRM(3)NAME
wcsxfrm, wcsxfrm_l -- transform a wide string under locale
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <wchar.h>
size_t
wcsxfrm(wchar_t *restrict ws1, const wchar_t *restrict ws2, size_t n);
#include <wchar.h>
#include <xlocale.h>
size_t
wcsxfrm_l(wchar_t *restrict ws1, const wchar_t *restrict ws2, size_t n, locale_t loc);
DESCRIPTION
The wcsxfrm() function transforms a null-terminated wide character string pointed to by ws2, according to the current locale's collation
order, then copies the transformed string into ws1. No more than n wide characters are copied into ws1, including the terminating null char-
acter. If n is set to 0 (it helps to determine an actual size needed for transformation), ws1 is permitted to be a NULL pointer.
Comparing two strings using wcscmp() after wcsxfrm() is equivalent to comparing two original strings with wcscoll().
Although the wcsxfrm() function uses the current locale, the wcsxfrm_l() function may be passed a locale directly. See xlocale(3) for more
information.
RETURN VALUES
Upon successful completion, wcsxfrm() returns the length of the transformed string not including the terminating null character. If this
value is n or more, the contents of ws1 are indeterminate.
SEE ALSO setlocale(3), strxfrm(3), wcscmp(3), wcscoll(3), xlocale(3)STANDARDS
The wcsxfrm() function conforms to ISO/IEC 9899:1999 (``ISO C99'').
BUGS
The current implementation of wcsxfrm() only works in single-byte LC_CTYPE locales, and falls back to using wcsncpy() in locales with
extended character sets.
Comparing two strings using wcscmp() after wcsxfrm() is not always equivalent to comparison with wcscoll(); wcsxfrm() only stores information
about primary collation weights into ws1, whereas wcscoll() compares characters using both primary and secondary weights.
BSD October 4, 2002 BSD
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