#ifdef CHECK_SIZE_OF #ifdef HAVE_SYS_TYPES_H # include #endif /* HAVE_SYS_TYPES_H */ #ifdef HAVE_STDINT_H # include #endif /* HAVE_STDINT_H */ int main() { return sizeof(CHECK_SIZE_OF); } #else /* CHECK_SIZE_OF */ # error "CHECK_SIZE_OF has to specify the type" #endif /* CHECK_SIZE_OF */