NWstrlen
Returns the number of bytes in a string
#include <nwlocale.h>
N_EXTERN_LIBRARY(nint) NWstrlen (
const nstr N_FAR *str);
uses netwin32
Function NWstrlen
(const str : pnstr
) : nint;
Returns the number of bytes (not characters) in a string (not including the NULL-termination byte).