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Man Pages


Manual Reference Pages  -  MBSTOWCS (3)

NAME

mbstowcs - convert a character string to a wide-character string

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In stdlib.h size_t
.Fo mbstowcs wchar_t * restrict wcstring const char * restrict mbstring size_t nwchars
.Fc

DESCRIPTION

The mbstowcs function converts a multibyte character string mbstring beginning in the initial conversion state into a wide character string wcstring. No more than nwchars wide characters are stored. A terminating null wide character is appended if there is room.

RETURN VALUES

The mbstowcs function returns the number of wide characters converted, not counting any terminating null wide character, or -1 if an invalid multibyte character was encountered.

ERRORS

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

SEE ALSO

mbsrtowcs(3), mbtowc(3), multibyte(3)

STANDARDS

The mbstowcs function conforms to -isoC-99.
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