1WCTRANS(3)                 Linux Programmer's Manual                WCTRANS(3)
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NAME

6       wctrans - wide-character translation mapping
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SYNOPSIS

9       #include <wctype.h>
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11       wctrans_t wctrans(const char *name);
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DESCRIPTION

14       The  wctrans_t type represents a mapping which can map a wide character
15       to another wide character.  Its nature is implementation-dependent, but
16       the  special  value  (wctrans_t) 0 denotes an invalid mapping.  Nonzero
17       wctrans_t values can be passed to the towctrans(3) function to actually
18       perform the wide-character mapping.
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20       The  wctrans()  function returns a mapping, given by its name.  The set
21       of valid names depends on the LC_CTYPE category of the current  locale,
22       but the following names are valid in all locales.
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24           "tolower" - realizes the tolower(3) mapping
25           "toupper" - realizes the toupper(3) mapping
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RETURN VALUE

28       The  wctrans()  function  returns  a  mapping descriptor if the name is
29       valid.  Otherwise, it returns (wctrans_t) 0.
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ATTRIBUTES

32       For  an  explanation  of  the  terms  used   in   this   section,   see
33       attributes(7).
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35       ┌──────────┬───────────────┬────────────────┐
36       │Interface │ Attribute     │ Value          │
37       ├──────────┼───────────────┼────────────────┤
38       │wctrans() │ Thread safety │ MT-Safe locale │
39       └──────────┴───────────────┴────────────────┘

CONFORMING TO

41       POSIX.1-2001, POSIX.1-2008, C99.
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NOTES

44       The  behavior of wctrans() depends on the LC_CTYPE category of the cur‐
45       rent locale.
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SEE ALSO

48       towctrans(3)
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COLOPHON

51       This page is part of release 5.07 of the Linux  man-pages  project.   A
52       description  of  the project, information about reporting bugs, and the
53       latest    version    of    this    page,    can     be     found     at
54       https://www.kernel.org/doc/man-pages/.
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58GNU                               2015-08-08                        WCTRANS(3)
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