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NetBSD 6.1.5 - man page for wcswidth (netbsd section 3)

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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
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