NAME

wcwidth - number of column positions of a wide-character code

SYNOPSIS

#include <wchar.h>

int wcwidth(wchar_t wc);

DESCRIPTION

The wcwidth() function determines the number of column positions required for the wide character wc. The value of wc must be a character representable as a wchar_t, and must be a wide-character code corresponding to a valid character in the current locale.

RETURN VALUE

The wcwidth() function either returns 0 (if wc is a null wide-character code), or returns the number of column positions to be occupied by the wide-character code wc, or returns -1 (if wc does not correspond to a printing wide-character code).

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

wcswidth(), <wchar.h>.