wcsxfrm_l(3) [mojave 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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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