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

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

NAME
       towupper - transliterate lowercase wide-character code to uppercase

SYNOPSIS
       #include <wctype.h>

       wint_t towupper(wint_t wc);

DESCRIPTION
       The  towupper() function has as a domain a type wint_t, the value of which the application
       shall ensure is a character representable as a wchar_t, and a wide-character  code  corre-
       sponding  to a valid character in the current locale or the value of WEOF. If the argument
       has any other value, the behavior is undefined. If the argument of towupper() represents a
       lowercase  wide-character  code, and there exists a corresponding uppercase wide-character
       code (as defined by character type information in the program locale category LC_CTYPE  ),
       the  result shall be the corresponding uppercase wide-character code.  All other arguments
       in the domain are returned unchanged.

RETURN VALUE
       Upon successful completion, towupper() shall return the uppercase letter corresponding  to
       the argument passed. Otherwise, it shall return the argument unchanged.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       setlocale()  ,  the  Base  Definitions  volume of IEEE Std 1003.1-2001, Chapter 7, Locale,
       <wctype.h>, <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				      TOWUPPER(P)


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