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Standard C Library Functionswcwidth(3C)


NAME

 wcwidth - number of column positions of a wide-character code

SYNOPSIS

 
#include <wchar.h>
int wcwidth(wchar_t wc);

DESCRIPTION

 

The wcwidth() function determines the number of column positions required for the wide character wc. The value of wc must be a character representable as a wchar_t, and must be a wide-character code corresponding to a valid character in the current locale.

RETURN VALUES

 

The wcwidth() function either returns 0 (if wc is a null wide-character code), or returns the number of column positions to be occupied by the wide-character code wc, or returns -1 (if wc does not correspond to a printing wide-character code).

ERRORS

 

No errors are defined.

ATTRIBUTES

 

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
MT-LevelMT-Safe with exceptions
CSIEnabled

SEE ALSO

 

setlocale(3C), wcswidth(3C), attributes(5)


SunOS 5.9Go To TopLast Changed 20 Dec 1996

 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.