+#define GCC_UNUSED /* nothing */
+#endif
+
+#ifndef HAVE_GETNSTR
+#define getnstr(s,n) getstr(s)
+#endif
+
+#if HAVE_INIT_EXTENDED_COLOR
+#define USE_EXTENDED_COLOR 1
+#else
+#define USE_EXTENDED_COLOR 0
+#endif
+
+#ifndef USE_SOFTKEYS
+#if HAVE_SLK_INIT
+#define USE_SOFTKEYS 1
+#else
+#define USE_SOFTKEYS 0
+#endif
+#endif
+
+#if !USE_SOFTKEYS
+#define slk_init() /* nothing */
+#define slk_restore() /* nothing */
+#define slk_clear() /* nothing */
+#endif
+
+#ifndef HAVE_CURSES_DATA_TABSIZE
+#define HAVE_CURSES_DATA_TABSIZE 0
+#endif
+
+#if !NCURSES_EXT_FUNCS
+#if HAVE_CURSES_DATA_TABSIZE
+#define set_tabsize(n) TABSIZE = (n)
+#else
+#define set_tabsize(n) /* nothing */
+#endif
+#endif
+
+#if HAVE_TPUTS_SP
+#define USE_SP_FUNCS 1
+#else
+#define USE_SP_FUNCS 0
+#endif
+
+#ifndef HAVE_WSYNCDOWN
+#define wsyncdown(win) /* nothing */
+#endif
+
+#ifndef USE_WIDEC_SUPPORT
+#if (defined(_XOPEN_SOURCE_EXTENDED) \
+ || (defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0 >= 500)) \
+ || (defined(NCURSES_WIDECHAR) && (NCURSES_WIDECHAR - 0 < 1))) \
+ && defined(WACS_ULCORNER)
+#define USE_WIDEC_SUPPORT 1
+#else
+#define USE_WIDEC_SUPPORT 0
+#endif
+#endif
+
+#if HAVE_PANEL_H && HAVE_LIBPANEL
+#define USE_LIBPANEL 1
+#else
+#define USE_LIBPANEL 0
+#endif
+
+#if HAVE_MENU_H && HAVE_LIBMENU
+#define USE_LIBMENU 1
+#else
+#define USE_LIBMENU 0
+#endif
+
+#if HAVE_FORM_H && HAVE_LIBFORM
+#define USE_LIBFORM 1
+#else
+#define USE_LIBFORM 0
+#endif
+
+/* workaround, to build against NetBSD's variant of the form library */
+#ifdef HAVE_NETBSD_FORM_H
+#define form_getyx(form, y, x) y = (int)current_field(form)->cursor_ypos, x = (int)current_field(form)->cursor_xpos
+#define form_field_row(field) (field)->form_row
+#define form_field_col(field) (field)->form_col
+#else /* e.g., SVr4, ncurses */
+#define form_getyx(form, y, x) y = (int)(form)->currow, x = (int)(form)->curcol
+#define form_field_row(field) (field)->frow
+#define form_field_col(field) (field)->fcol
+#endif
+
+/* workaround, to build against NetBSD's variant of the form library */
+#ifdef HAVE_NETBSD_MENU_H
+#define menu_itemwidth(menu) (menu)->max_item_width
+#else
+#define menu_itemwidth(menu) (menu)->itemlen
+#endif
+
+#ifndef HAVE_TYPE_ATTR_T
+#if !USE_WIDEC_SUPPORT && !defined(attr_t)
+#define attr_t chtype
+#endif
+#endif
+
+#undef NCURSES_CH_T
+#if !USE_WIDEC_SUPPORT
+#define NCURSES_CH_T chtype
+#else
+#define NCURSES_CH_T cchar_t
+#endif
+
+#ifndef NCURSES_COLOR_T
+#define NCURSES_COLOR_T short
+#endif
+
+#ifndef NCURSES_PAIRS_T
+#define NCURSES_PAIRS_T short
+#endif
+
+#ifndef CCHARW_MAX
+#define CCHARW_MAX 5
+#endif
+
+#if defined(NCURSES_VERSION) && defined(CURSES_WACS_ARRAY) && !defined(CURSES_WACS_SYMBOLS)
+#define CURSES_WACS_SYMBOLS
+#endif
+
+#if defined(CURSES_WACS_ARRAY) && !defined(CURSES_WACS_SYMBOLS)
+/* NetBSD 5.1 defines these incorrectly */
+#undef WACS_RARROW
+#undef WACS_LARROW
+#undef WACS_UARROW
+#undef WACS_DARROW
+#undef WACS_BLOCK
+#undef WACS_DIAMOND
+#undef WACS_CKBOARD
+#undef WACS_DEGREE
+#undef WACS_PLMINUS
+#undef WACS_BOARD
+#undef WACS_LANTERN
+#undef WACS_LRCORNER
+#undef WACS_URCORNER
+#undef WACS_ULCORNER
+#undef WACS_LLCORNER
+#undef WACS_PLUS
+#undef WACS_HLINE
+#undef WACS_S1
+#undef WACS_S9
+#undef WACS_LTEE
+#undef WACS_RTEE
+#undef WACS_BTEE
+#undef WACS_TTEE
+#undef WACS_VLINE
+#undef WACS_BULLET
+#undef WACS_S3
+#undef WACS_S7
+#undef WACS_LEQUAL
+#undef WACS_GEQUAL
+#undef WACS_PI
+#undef WACS_NEQUAL
+#undef WACS_STERLING
+
+#define WACS_RARROW &(CURSES_WACS_ARRAY['+'])
+#define WACS_LARROW &(CURSES_WACS_ARRAY[','])
+#define WACS_UARROW &(CURSES_WACS_ARRAY['-'])
+#define WACS_DARROW &(CURSES_WACS_ARRAY['.'])
+#define WACS_BLOCK &(CURSES_WACS_ARRAY['0'])
+#define WACS_DIAMOND &(CURSES_WACS_ARRAY['`'])
+#define WACS_CKBOARD &(CURSES_WACS_ARRAY['a'])
+#define WACS_DEGREE &(CURSES_WACS_ARRAY['f'])
+#define WACS_PLMINUS &(CURSES_WACS_ARRAY['g'])
+#define WACS_BOARD &(CURSES_WACS_ARRAY['h'])
+#define WACS_LANTERN &(CURSES_WACS_ARRAY['i'])
+#define WACS_LRCORNER &(CURSES_WACS_ARRAY['j'])
+#define WACS_URCORNER &(CURSES_WACS_ARRAY['k'])
+#define WACS_ULCORNER &(CURSES_WACS_ARRAY['l'])
+#define WACS_LLCORNER &(CURSES_WACS_ARRAY['m'])
+#define WACS_PLUS &(CURSES_WACS_ARRAY['n'])
+#define WACS_HLINE &(CURSES_WACS_ARRAY['q'])
+#define WACS_S1 &(CURSES_WACS_ARRAY['o'])
+#define WACS_S9 &(CURSES_WACS_ARRAY['s'])
+#define WACS_LTEE &(CURSES_WACS_ARRAY['t'])
+#define WACS_RTEE &(CURSES_WACS_ARRAY['u'])
+#define WACS_BTEE &(CURSES_WACS_ARRAY['v'])
+#define WACS_TTEE &(CURSES_WACS_ARRAY['w'])
+#define WACS_VLINE &(CURSES_WACS_ARRAY['x'])
+#define WACS_BULLET &(CURSES_WACS_ARRAY['~'])
+#define WACS_S3 &(CURSES_WACS_ARRAY['p'])
+#define WACS_S7 &(CURSES_WACS_ARRAY['r'])
+#define WACS_LEQUAL &(CURSES_WACS_ARRAY['y'])
+#define WACS_GEQUAL &(CURSES_WACS_ARRAY['z'])
+#define WACS_PI &(CURSES_WACS_ARRAY['{'])
+#define WACS_NEQUAL &(CURSES_WACS_ARRAY['|'])
+#define WACS_STERLING &(CURSES_WACS_ARRAY['}'])
+#endif
+
+#ifndef WA_NORMAL
+#define WA_NORMAL A_NORMAL
+#endif
+#ifndef WA_BOLD
+#define WA_BOLD A_BOLD
+#endif
+#ifndef WA_REVERSE
+#define WA_REVERSE A_REVERSE
+#endif
+#ifndef WA_UNDERLINE
+#define WA_UNDERLINE A_UNDERLINE
+#endif
+#ifndef WA_BLINK
+#define WA_BLINK A_BLINK
+#endif
+
+#ifndef OK
+#define OK (0)
+#endif
+
+#ifndef ERR
+#define ERR (-1)
+#endif
+
+#undef CTRL
+#define CTRL(x) ((x) & 0x1f)
+
+#define QUIT CTRL('Q')
+#define ESCAPE CTRL('[')
+
+#ifndef KEY_MIN
+#define KEY_MIN 256 /* not defined in Solaris 8 */
+#endif
+
+#define HELP_KEY_1 '?'
+#define HELP_KEY_2 KEY_F(1)
+
+/* our "standard" options for getopt, needed for help2man */
+#define OPTS_USAGE 'h'
+#define OPTS_VERSION 'V'
+#define OPTS_COMMON "hV"
+#define USAGE_COMMON \
+ "Common options:"\
+," -h show this message"\
+," -V show version of curses"
+
+#if HAVE_CURSES_VERSION
+#define format_version(buffer, size) strcpy(buffer, curses_version())
+#elif defined(NCURSES_VERSION_MAJOR) && defined(NCURSES_VERSION_MINOR) && defined(NCURSES_VERSION_PATCH)
+#define format_version(buffer, size) \
+ _nc_SPRINTF(buffer, _nc_SLIMIT(size) "ncurses %d.%d.%d", \
+ NCURSES_VERSION_MAJOR, \
+ NCURSES_VERSION_MINOR, \
+ NCURSES_VERSION_PATCH)
+#else
+#define format_version(buffer, size) strcpy(buffer, "ncurses-examples")
+#endif
+
+#define VERSION_COMMON() \
+static char *version_common(char **argv) { \
+ char *base = argv[0]; \
+ char *part = strrchr(base, '/'); \
+ size_t need = strlen(base) + 80; \
+ char *result = malloc(need); \
+ if (result != NULL) { \
+ if (part++ == NULL) part = base; \
+ _nc_SPRINTF(result, _nc_SLIMIT(need) "%.20s: ", part); \
+ format_version(result + strlen(result), need - strlen(result)); \
+ } \
+ return result; \
+} \
+static void show_version(char **argv) { \
+ char *value = version_common(argv); \
+ if (value != NULL) { \
+ puts(value); \
+ free(value); \
+ } \
+}
+
+/* from nc_string.h, to make this stand alone */
+#if HAVE_BSD_STRING_H
+#include <bsd/string.h>
+#endif
+
+#ifdef __cplusplus
+#define NCURSES_VOID /* nothing */
+#else
+#define NCURSES_VOID (void)
+#endif
+
+#ifndef HAVE_STRLCAT
+#define HAVE_STRLCAT 0
+#endif
+
+#ifndef HAVE_STRLCPY
+#define HAVE_STRLCPY 0
+#endif
+
+#ifndef HAVE_SNPRINTF
+#define HAVE_SNPRINTF 0
+#endif
+
+#ifndef HAVE_STRDUP
+#define HAVE_STRDUP 0
+#endif
+
+#ifndef USE_STRING_HACKS
+#define USE_STRING_HACKS 0
+#endif
+
+#ifndef HAVE_STRSTR
+#define HAVE_STRSTR 0
+#endif
+
+#ifndef NCURSES_CAST
+#ifdef __cplusplus
+extern "C" {
+#define NCURSES_CAST(type,value) static_cast<type>(value)
+#else
+#define NCURSES_CAST(type,value) (type)(value)
+#endif
+#endif
+
+#if USE_STRING_HACKS && HAVE_STRLCAT
+#define _nc_STRCAT(d,s,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,n))
+#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strlcat((d),(s),NCURSES_CAST(size_t,m))
+#else
+#define _nc_STRCAT(d,s,n) NCURSES_VOID strcat((d),(s))
+#define _nc_STRNCAT(d,s,m,n) NCURSES_VOID strncat((d),(s),(n))
+#endif
+
+#if USE_STRING_HACKS && HAVE_STRLCPY
+#define _nc_STRCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n))
+#define _nc_STRNCPY(d,s,n) NCURSES_VOID strlcpy((d),(s),NCURSES_CAST(size_t,n))
+#else
+#define _nc_STRCPY(d,s,n) NCURSES_VOID strcpy((d),(s))
+#define _nc_STRNCPY(d,s,n) NCURSES_VOID strncpy((d),(s),(n))