WCWIDTH(H) Linux Programmer's Manual WCWIDTH(H) NAME wcwidth - determine columns needed for a wide character SYNOPSIS #include <wchar.h> int wcwidth(wint_t c); DESCRIPTION The wcwidth function returns the number of columns needed to represent the wide character c. If c is a printable wide character, the value is at least 0. If c is L'\0', the value is 0. Otherwise -1 is returned. RETURN VALUE The wcwidth function returns the number of column posi- tions for c. CONFORMING TO UNIX98 SEE ALSO wcswidth(h), iswprint(t) NOTES The behaviour of wcwidth depends on the LC_CTYPE category of the current locale. GNU 1999-07-25 WCWIDTH(H)