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Man Pages


Manual Reference Pages  -  WCTOMB (3)

NAME

wctomb - convert a wide-character code to a character

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In stdlib.h int wctomb char *mbchar wchar_t wchar

DESCRIPTION

The wctomb function converts a wide character wchar into a multibyte character and stores the result in mbchar. The object pointed to by mbchar must be large enough to accommodate the multibyte character, which may be up to MB_LEN_MAX bytes.

A call with a null mbchar pointer returns nonzero if the current locale requires shift states, zero otherwise; if shift states are required, the shift state is reset to the initial state.

RETURN VALUES

If mbchar is NULL, the wctomb function returns nonzero if shift states are supported, zero otherwise. If mbchar is valid, wctomb returns the number of bytes processed in mbchar, or -1 if no multibyte character could be recognized or converted. In this case, wctomb ’s internal conversion state is undefined.

ERRORS

The wctomb function will fail if:
[EILSEQ]
  An invalid multibyte sequence was detected.
[EINVAL]
  The internal conversion state is invalid.

SEE ALSO

mbtowc(3), wcrtomb(3), wcstombs(3), wctob(3)

STANDARDS

The wctomb function conforms to -isoC-99.
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