NAME wcswidth - "number of column positions in wide-character string" CONTENTS Library Synopsis Description Return Values See Also Standards LIBRARY .Lb libc SYNOPSIS .In 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 null 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
