HP-UX Reference (11i v3 07/02) - 3 Library Functions N-Z (vol 7)

wconv(3C) wconv(3C)

NAME

towupper( ), towlower() - translate wide characters

SYNOPSIS

#include <wctype.h>

wint_t towupper(wint_t wc);

wint_t towlower(wint_t wc);

Remarks:

These functions are compliant with the XPG4 Worldwide Portability Interface wide-character conver-

sion functions. They parallel the 8-bit character conversion functions deﬁned in conv(3C).

DESCRIPTION

towupper() and towlower() have as domain a

wint_t, the value of which is representable as a

wchar_t or the value WEOF. If the argument has any other value, the behavior is undeﬁned. If the argu-

ment of towupper() represents a lowercase letter, the result is the corresponding uppercase letter. If

the argument of towlower() represents an uppercase letter, the result is the corresponding lowercase

letter. All other arguments are returned unchanged.

Deﬁnitions for these functions, the types wint_t, wchar_t, and the value WEOF are provided in the

wchar.h>header.

EXTERNAL INFLUENCES

Locale

The LC_CTYPE category determines the translations to be done.

International Code Set Support

Single-byte and multi-byte character code sets are supported.

AUTHOR

wconv() was developed by IBM, OSF, and HP.