DragonFly On-Line Manual Pages

WCSWIDTH(3)	      DragonFly 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 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'').

DragonFly 3.5			 May 30, 2008			 DragonFly 3.5