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RedHat 9 (Linux i386) - man page for wctrans (redhat section 3)

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

NAME
wctrans - wide character translation mapping
SYNOPSIS
#include <wctype.h> wctrans_t wctrans(const char *name);
DESCRIPTION
The wctrans_t type represents a mapping which can map a wide character to another wide character. Its nature is implementation dependent, but the special value (wctrans_t)0 denotes an invalid mapping. Nonzero wctrans_t values can be passed to the towctrans function to actually perform the wide character mapping. The wctrans function returns a mapping, given by its name. The set of valid names depends on the LC_CTYPE cat- egory of the current locale, but the following names are valid in all locales. "tolower" - realizes the tolower(3) mapping "toupper" - realizes the toupper(3) mapping
RETURN VALUE
The wctrans function returns a mapping descriptor if the name is valid. Otherwise it returns (wctrans_t)0.
CONFORMING TO
ISO/ANSI C, UNIX98
SEE ALSO
wctrans(3)
NOTES
The behaviour of wctrans depends on the LC_CTYPE category of the current locale.
GNU
1999-07-25 WCTRANS(3)


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