btowc(3p) - phpMan

BTOWC(P)                                                              BTOWC(P)



NAME
       btowc - single byte to wide character conversion

SYNOPSIS
       #include <stdio.h>
       #include <wchar.h>

       wint_t btowc(int c);


DESCRIPTION
       The btowc() function shall determine whether c constitutes a valid (one-byte) char-
       acter in the initial shift state.

       The behavior of this function shall be affected by the  LC_CTYPE  category  of  the
       current locale.

RETURN VALUE
       The btowc() function shall return WEOF if c has the value EOF or if (unsigned char)
       c does not constitute a valid (one-byte) character  in  the  initial  shift  state.
       Otherwise, it shall return the wide-character representation of that character.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       wctob() , 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 .



POSIX                                2003                             BTOWC(P)

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