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    The following form allows you to view linux man pages.

    Command:

    wcswidth

    
    
    
    

    SYNOPSIS

           #define _XOPEN_SOURCE             /* See feature_test_macros(7) */
           #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 nonprintable 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.
    
    
    

    ATTRIBUTES

       Multithreading (see pthreads(7))
           The wcswidth() function is thread-safe  with  exceptions.   It  can  be
           safely  used  in multithreaded applications, as long as setlocale(3) is
           not called to change the locale during its execution.
    
    
    

    CONFORMING TO

           POSIX.1-2001.
    
    
    

    NOTES

           The behavior of wcswidth() depends on the LC_CTYPE category of the cur-
           rent locale.
    
    
    

    SEE ALSO

           iswprint(3), wcwidth(3)
    
    
    

    GNU 2014-01-22 WCSWIDTH(3)

    
    
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