+ next = (unsigned long)offsetof(type,member); \
+ if (last > next) \
+ printf("?? incorrect order for " #type "." #member "\n"); \
+ printf("%5lu %c " #type "." #member "\n", next, flag ? *flag : ' '); \
+ last = next; \
+ flag = 0
+
+#if NCURSES_WIDECHAR && NCURSES_EXT_COLORS
+#define show_COLORS(type,member) { flag = "c"; show_offset(type,member); }
+#else
+#define show_COLORS(type,member) /* nothing */
+#endif
+
+#ifdef USE_TERM_DRIVER
+#define show_DRIVER(type,member) { flag = "d"; show_offset(type,member); }
+#else
+#define show_DRIVER(type,member) /* nothing */
+#endif
+
+#if NO_LEAKS
+#define show_MLEAKS(type,member) { flag = "L"; show_offset(type,member); }
+#else
+#define show_MLEAKS(type,member) /* nothing */
+#endif
+
+#ifdef USE_TERM_DRIVER
+#define show_NORMAL(type,member) /* nothing */
+#else
+#define show_NORMAL(type,member) { flag = "n"; show_offset(type,member); }
+#endif
+
+#define show_OPTION(type,member) { flag = "+"; show_offset(type,member); }
+
+#if USE_REENTRANT
+#define show_REENTR(type,member) { flag = "r"; show_offset(type,member); }
+#else
+#define show_REENTR(type,member) /* nothing */
+#endif
+
+#if NCURSES_SP_FUNCS
+#define show_SPFUNC(type,member) { flag = "s"; show_offset(type,member); }
+#else
+#define show_SPFUNC(type,member) /* nothing */
+#endif
+
+#ifdef USE_PTHREADS
+#define show_THREAD(type,member) { flag = "t"; show_offset(type,member); }
+#else
+#define show_THREAD(type,member) /* nothing */
+#endif
+
+#ifdef TRACE
+#define show_TRACES(type,member) { flag = "T"; show_offset(type,member); }
+#else
+#define show_TRACES(type,member) /* nothing */
+#endif
+
+#if USE_WIDEC_SUPPORT
+#define show_WIDECH(type,member) { flag = "w"; show_offset(type,member); }
+#else
+#define show_WIDECH(type,member) /* nothing */
+#endif