AntiDebug LIB Function Reference
GJ_strlen GJ_wcslen

Syntx

        size_t GJ_strlen( const char *string )

        size_t GJ_wcslen( const wchar_t *string )

    GJ_strlen is compatible with Run-Time Library function strlen. 
    GJ_wcslen is compatible with Run-Time Library function wcslen.

    The more information please to reference MSDN Library.