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wctrans(3c)
wctrans(3C) Standard C Library Functions wctrans(3C)
NAME
wctrans, wctrans_l - define character mapping
SYNOPSIS
#include <wctype.h>
wctrans_t wctrans(const char *charclass);
wctrans_t wctrans_l(const char *charclass, locale_t locale);
DESCRIPTION
The wctrans() function is defined for valid character mapping names
identified in the current locale. The charclass is a string identifying
a generic character mapping name for which codeset-specific information
is required. The following character mapping names are defined in all
locales: "tolower" and "toupper". See the wctrans_ja(3C) man page for
character mapping names defined in Japanese locales.
The function returns a value of type wctrans_t, which can be used as
the second argument to subsequent calls of towctrans(3C) and towc‐
trans_l(3C). The wctrans() function determines values of wctrans_t ac‐
cording to the rules of the coded character set defined by character
mapping information in the current locale (category LC_CTYPE).
The wctrans_l() function is equivalent to the wctrans() function, ex‐
cept that the locale data used is from the locale represented by lo‐
cale.
The values returned by wctrans() are valid until a call to setlo‐
cale(3C) that modifies the category LC_CTYPE.
The behavior is undefined if the locale argument to wctrans_l() is the
special locale object LC_GLOBAL_LOCALE or is not a valid locale object
handle.
RETURN VALUES
The wctrans() and wctrans_l() functions return 0 if the given character
mapping name is not valid for the current locale (category LC_CTYPE),
otherwise they return a non-zero object of type wctrans_t that can be
used in calls to towctrans(3C) and towctrans_l(3C).
ERRORS
These functions may fail if:
EINVAL The character mapping name pointed to by charclass is not
valid in the current locale or in the locale represented by
locale.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ CSIEnabled _ Interface StabilityCommitted _ MT-LevelMT-
Safe _ StandardSee standards(7).
SEE ALSO
duplocale(3C), freelocale(3C), newlocale(3C), setlocale(3C), towc‐
trans(3C), wctrans_ja(3C), uselocale(3C), attributes(7), standards(7)
Handling Characters and Character Strings in Internationalizing and Lo‐
calizing Applications in Oracle Solaris
HISTORY
The wctrans_l() function was added to Solaris in the Oracle Solaris
11.4.0 release.
The wctrans() function was added to Solaris in the Solaris 7 release.
Oracle Solaris 11.4 25 Nov 2024 wctrans(3C)