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# wctrans

From cppreference.com
< c‎ | string‎ | wide

Defined in header `<wctype.h>` |  |
wctrans_t wctrans( const char* str ); |  | (since C95)

Constructs a value of type wctrans_t that describes a LC_CTYPE category of wide character mapping. It may be one of the standard mappings, or a locale-specific mapping, such as `"tojhira"` or `"tojkana"`.

### [edit] Parameters

str | - | C string holding the name of the desired mapping. The following values of `str` are supported in all C locales:
Value of `str` | Effect
`"toupper"` | identifies the mapping used by towupper
`"tolower"` | identifies the mapping used by towlower

### [edit] Return value

wctrans_t object suitable for use with towctrans to map wide characters according to the named mapping of the current C locale or zero if `str` does not name a mapping supported by the current C locale.

### [edit] References

- C11 standard (ISO/IEC 9899:2011):

  - 7.30.3.2.2 The wctrans function (p: 454)

- C99 standard (ISO/IEC 9899:1999):

  - 7.25.3.2,2 The wctrans function (p: 400)

### [edit] See also

towctrans (C95) | performs character mapping according to the specified LC_CTYPE mapping category (function) [edit]
C++ documentation for wctrans

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