+#include <term.h>
+#include <term_entry.h>
+#include <nc_tparm.h>
+
+#if NCURSES_EXT_COLORS && USE_WIDEC_SUPPORT
+#define if_EXT_COLORS(stmt) stmt
+#define NetPair(value,p) (value).ext_color = (p), \
+ AttrOf(value) &= ALL_BUT_COLOR, \
+ AttrOf(value) |= (A_COLOR & COLOR_PAIR((p > 255) ? 255 : p))
+#define SetPair(value,p) (value).ext_color = (p)
+#define GetPair(value) (value).ext_color
+#define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
+#define GET_WINDOW_PAIR(w) (w)->_color
+#define SET_WINDOW_PAIR(w,p) (w)->_color = (p)
+#define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
+#define VIDATTR(attr, pair) vid_attr(attr, pair, 0)
+#else
+#define if_EXT_COLORS(stmt) /* nothing */
+#define SetPair(value,p) RemAttr(value, A_COLOR), \
+ SetAttr(value, AttrOf(value) | (A_COLOR & COLOR_PAIR(p)))
+#define GetPair(value) PAIR_NUMBER(AttrOf(value))
+#define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
+#define GET_WINDOW_PAIR(w) PAIR_NUMBER(WINDOW_ATTRS(w))
+#define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
+ WINDOW_ATTRS(w) |= (A_COLOR & COLOR_PAIR(p))
+#define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b))
+#define VIDATTR(attr, pair) vidattr(attr)
+#endif
+
+#if NCURSES_NO_PADDING
+#define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding)
+#define SetNoPadding(sp) _nc_set_no_padding(sp)
+extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *);
+#else
+#define GetNoPadding(sp) FALSE
+#define SetNoPadding(sp) /*nothing*/
+#endif
+
+#define WINDOW_ATTRS(w) ((w)->_attrs)
+
+#define SCREEN_ATTRS(s) (*((s)->_current_attr))
+#define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s))
+#define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p)
+
+#if USE_REENTRANT
+NCURSES_EXPORT(int *) _nc_ptr_Lines (void);
+NCURSES_EXPORT(int *) _nc_ptr_Cols (void);
+#define ptrLines() (SP ? &(SP->_LINES) : &(_nc_prescreen._LINES))
+#define ptrCols() (SP ? &(SP->_COLS) : &(_nc_prescreen._COLS))
+#define SET_LINES(value) *_nc_ptr_Lines() = value
+#define SET_COLS(value) *_nc_ptr_Cols() = value
+#else
+#define ptrLines() &LINES
+#define ptrCols() &COLS
+#define SET_LINES(value) LINES = value
+#define SET_COLS(value) COLS = value
+#endif
+
+#define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \
+ __FILE__, __LINE__, \
+ (unsigned long) (pthread_self()), \
+ data.__data.__lock, \
+ data.__data.__count, \
+ data.__data.__owner, \
+ data.__data.__kind, \
+ (data.__data.__nusers > 5) ? " OOPS " : "", \
+ data.__data.__nusers)
+#define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name)
+
+#ifdef USE_PTHREADS
+
+#if USE_REENTRANT
+#include <pthread.h>
+extern NCURSES_EXPORT(void) _nc_init_pthreads(void);
+extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
+extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
+extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
+extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *);
+#define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name)
+#define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name)
+#define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name)
+
+#else
+#error POSIX threads requires --enable-reentrant option
+#endif
+
+#if USE_WEAK_SYMBOLS
+#if defined(__GNUC__)
+# if defined __USE_ISOC99
+# define _cat_pragma(exp) _Pragma(#exp)
+# define _weak_pragma(exp) _cat_pragma(weak name)
+# else
+# define _weak_pragma(exp)
+# endif
+# define _declare(name) __extension__ extern __typeof__(name) name
+# define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
+#endif
+#endif
+
+#ifdef USE_PTHREADS
+# if USE_WEAK_SYMBOLS
+weak_symbol(pthread_sigmask);
+weak_symbol(pthread_self);
+weak_symbol(pthread_equal);
+weak_symbol(pthread_mutex_init);
+weak_symbol(pthread_mutex_lock);
+weak_symbol(pthread_mutex_unlock);
+weak_symbol(pthread_mutex_trylock);
+weak_symbol(pthread_mutexattr_settype);
+weak_symbol(pthread_mutexattr_init);
+extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
+# undef sigprocmask
+# define sigprocmask _nc_sigprocmask
+# endif
+#endif
+
+#if HAVE_NANOSLEEP
+#undef HAVE_NANOSLEEP
+#define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */
+#endif
+
+#else /* !USE_PTHREADS */
+
+#define _nc_init_pthreads() /* nothing */
+#define _nc_mutex_init(obj) /* nothing */
+
+#define _nc_lock_global(name) /* nothing */
+#define _nc_try_global(name) 0
+#define _nc_unlock_global(name) /* nothing */
+
+#endif /* USE_PTHREADS */
+
+#if HAVE_GETTIMEOFDAY
+# define PRECISE_GETTIME 1
+# define TimeType struct timeval
+#else
+# define PRECISE_GETTIME 0
+# define TimeType time_t
+#endif