#pragma once #ifdef MUST_HAVE_DEFINE # ifndef _WINDLL # error "_WINDLL is not defined, but it should be" # endif # if _WINDLL != 1 # error "_WINDLL is not defined as 1, but it should be" # endif #else # ifdef _WINDLL # error "_WINDLL is defined, but it should not be" # endif #endif int FUNCTION(void) { return 0; }