Pushes the string pointed to by s with size len onto the stack. Lua makes (or reuses) an internal copy of the given string, so the memory at s can be freed or reused immediately after the function returns. The string can contain embedded zeros.
[Visual Basic] Public Shared Sub lua_pushlstring( _ ByVal L As IntPtr, _ ByVal s As String, _ ByVal l As UInt32 _ )