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STRXFRM(3) Library Functions Manual STRXFRM(3)

NAME

strxfrm, strxfrm_ltransform a string under locale

SYNOPSIS

#include <string.h>
size_t
strxfrm(char *dst, const char *src, size_t n);
size_t
strxfrm_l(char *dst, const char *src, size_t n, locale_t locale);

DESCRIPTION

The idea of strxfrm() and strxfrm_l() is to “un-localize” a string: the functions transform src, storing the result in dst, such that strcmp(3) on transformed strings returns what strcoll(3) on the original untransformed strings would return.
On OpenBSD, both have the same effect as strlcpy(3), and the global locale, the thread-specific locale, and the locale argument are ignored.

ENVIRONMENT

On other operating systems, the behaviour of strxfrm() may depend on the LC_CTYPE locale(1).

SEE ALSO

newlocale(3), setlocale(3), strcmp(3), strcoll(3), strlcpy(3), wcsxfrm(3)

STANDARDS

The strxfrm() function conforms to ANSI X3.159-1989 (“ANSI C89”), and strxfrm_l() to IEEE Std 1003.1-2008 (“POSIX.1”).

HISTORY

The strxfrm() function has been available since 4.3BSD-Reno, and strxfrm_l() since OpenBSD 6.2.
September 5, 2017 OpenBSD-current