wcswidth(3) - NetBSD Manual Pages

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WCSWIDTH(3)             NetBSD 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 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'').

NetBSD 8.2                      August 20, 2002                     NetBSD 8.2