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wctrans(3) Library Functions Manual wctrans(3) NAME wctrans - Maps wide characters to a property LIBRARY Standard C Library (libc.so, libc.a) SYNOPSIS #include <wctype.h> wctrans_t wctrans( const char *property); STANDARDS Interfaces documented on this reference page conform to industry stan- dards as follows: wctrans(): ISO C Refer to the standards(5) reference page for more information about in- dustry standards and associated tags. PARAMETERS Identifies a definition that maps one wide character to another in the LC_TYPE category of a locale. DESCRIPTION The wctrans() function constructs a wctrans_t value that maps wide characters in the current locale according to the specified property. Because all locales include ASCII letter characters through the Portable Character Set and because you can apply case conversion to ASCII letter charaters, two properties that are valid for all locales are toupper and tolower. After a successful call to the wctrans() function to map associated characters according to a specified property, you can call the towc- trans() function to convert characters according to this property. Re- fer to the towctrans(3) reference page for an example that uses these functions. RESTRICTIONS Currently, tolower and toupper are the only supported values for prop- erty. Defining additional properties in locales requires an extension to the localedef utility. The rules for implementing this extension are not yet available in current issues of the industry standards that apply to this utility. RETURN VALUES If property identifies a wide-character mapping that is defined in the LC_CTYPE category of the current locale, the wctrans() function returns a nonzero value that is valid as the second argument of the towctrans() function; otherwise, the wctrans() function returns zero. RELATED INFORMATION Commands: localedef(1) Functions: iswctype(3), towctrans(3), wctype(3) Files: locale(4) delim off wctrans(3)