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Linux 2.6 - man page for mbsinit (linux section 3posix)

MBSINIT(P)			    POSIX Programmer's Manual			       MBSINIT(P)

NAME
       mbsinit - determine conversion object status

SYNOPSIS
       #include <wchar.h>

       int mbsinit(const mbstate_t *ps);

DESCRIPTION
       If  ps  is  not	a null pointer, the mbsinit() function shall determine whether the object
       pointed to by ps describes an initial conversion state.

RETURN VALUE
       The mbsinit() function shall return non-zero if ps is a null pointer, or if the pointed-to
       object describes an initial conversion state; otherwise, it shall return zero.

       If  an mbstate_t object is altered by any of the functions described as "restartable", and
       is then used with a different character sequence, or in the other conversion direction, or
       with a different LC_CTYPE category setting than on earlier function calls, the behavior is
       undefined.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       The mbstate_t object is used to describe the current conversion state  from  a  particular
       character  sequence to a wide-character sequence (or vice versa) under the rules of a par-
       ticular setting of the LC_CTYPE category of the current locale.

       The initial conversion state corresponds, for a conversion in  either  direction,  to  the
       beginning  of a new character sequence in the initial shift state. A zero valued mbstate_t
       object is at least one way  to  describe  an  initial  conversion  state.  A  zero  valued
       mbstate_t  object  can be used to initiate conversion involving any character sequence, in
       any LC_CTYPE category setting.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       mbrlen() , mbrtowc() , wcrtomb() , mbsrtowcs() , wcsrtombs() , the Base Definitions volume
       of IEEE Std 1003.1-2001, <wchar.h>

COPYRIGHT
       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information Technology  --  Portable	Operating  System
       Interface  (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
       the Institute of Electrical and Electronics Engineers, Inc and  The  Open  Group.  In  the
       event  of  any  discrepancy  between this version and the original IEEE and The Open Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				       MBSINIT(P)


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