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WCSWIDTH(3)              BSD Library Functions Manual              WCSWIDTH(3)

NAME
     wcswidth -- number of column positions in wide-character string

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <wchar.h>

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

DESCRIPTION
     The wcswidth() function determines the number of column positions
     required for the first n characters of pwcs, or until a nul wide
     character (L'\0') is encountered.

RETURN VALUES
     The wcswidth() function returns 0 if pwcs is an empty string (L""), -1 if
     a non-printing wide character is encountered, otherwise it returns the
     number of column positions occupied.

SEE ALSO
     iswprint(3), wcwidth(3)

STANDARDS
     The wcswidth() function conforms to IEEE Std 1003.1-2001 (``POSIX.1'').

BSD                             August 20, 2002                            BSD

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS