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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 null wide charac-
     ter (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'').

FreeBSD 5.4			August 20, 2002 		   FreeBSD 5.4

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