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WCTOB(3P)                  POSIX Programmer's Manual                 WCTOB(3P)

PROLOG
       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the  corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.
NAME
       wctob - wide-character to single-byte conversion
SYNOPSIS
       #include <stdio.h>
       #include <wchar.h>
       int wctob(wint_t c);

DESCRIPTION
       The wctob() function shall determine whether c corresponds to a  member
       of  the extended character set whose character representation is a sin-
       gle byte when in the initial shift state.
       The behavior of this function shall be affected by the  LC_CTYPE  cate-
       gory of the current locale.
RETURN VALUE
       The  wctob()  function  shall  return EOF if c does not correspond to a
       character with length one in the initial  shift  state.  Otherwise,  it
       shall  return  the  single-byte  representation of that character as an
       unsigned char converted to int.
ERRORS
       No errors are defined.
       The following sections are informative.
EXAMPLES
       None.
APPLICATION USAGE
       None.
RATIONALE
       None.
FUTURE DIRECTIONS
       None.
SEE ALSO
       btowc(), 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 original Standard can be obtained online
       at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group                  2003                            WCTOB(3P)