wcswidth man page on YellowDog

wcswidth man page on YellowDog

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WCSWIDTH(3)		   Linux Programmer's Manual		   WCSWIDTH(3)

NAME
       wcswidth	 -  determine  columns	needed for a fixed-size wide character
       string

SYNOPSIS
       #include <wchar.h>

       int wcswidth(const wchar_t *s, size_t n);

DESCRIPTION
       The wcswidth() function returns the number of columns needed to	repre‐
       sent  the  wide-character  string  pointed  to by s, but at most n wide
       characters. If a non-printable wide character occurs among these	 char‐
       acters, -1 is returned.

RETURN VALUE
       The  wcswidth() function returns the number of column positions for the
       wide-character string s, truncated to at most length n.

CONFORMING TO
       POSIX.1-2001.

SEE ALSO
       iswprint(3), wcwidth(3)

NOTES
       The behaviour of wcswidth() depends on the  LC_CTYPE  category  of  the
       current locale.

GNU				  1999-07-25			   WCSWIDTH(3)

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