determine columns needed for a wide character NAME wcwidth - determine columns needed for a wide character LIBRARY Standard C library ( libc , -lc )......cswidth () depends on the LC_CTYPE category of the current locale. SEE ALSO iswprint (3), wcwidth (3)...e internal wchar_t characters and strings into the system character encoding and back and wcwidth (3) tells how many positions (0–2) the cursor is advanced by the output of a ch…