I don't know... I use Oct 2001 offline issue
Code:strlen, wcslen, _mbslen, _mbstrlen Get the length of a string. size_t strlen( const char *string ); size_t wcslen( const wchar_t *string ); size_t _mbslen( const unsigned char *string ); size_t _mbstrlen( const char *string ); Routine Required Header Compatibility strlen <string.h> ANSI, Win 95, Win NT wcslen <string.h> or <wchar.h> ANSI, Win 95, Win NT _mbslen <mbstring.h> Win 95, Win NT _mbstrlen <stdlib.h> Win 95, Win NT