X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=include%2Fcurses.h.in;h=fd62181e75accef28fd0574971d3172b1efd3ef7;hp=26983aa150447601e992bc54381bd8c2304f0c11;hb=ed646e3f683083e787c6ba773364401dc9fa9d40;hpb=73b54c0812e4b8dfddcf87f59c7488bb3c10e10d diff --git a/include/curses.h.in b/include/curses.h.in index 26983aa1..fd62181e 100644 --- a/include/curses.h.in +++ b/include/curses.h.in @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc. * + * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -32,7 +32,7 @@ * and: Thomas E. Dickey 1996-on * ****************************************************************************/ -/* $Id: curses.h.in,v 1.240 2014/08/02 16:01:30 tom Exp $ */ +/* $Id: curses.h.in,v 1.255 2017/04/01 22:15:00 tom Exp $ */ #ifndef __NCURSES_H #define __NCURSES_H @@ -74,12 +74,6 @@ * NCURSES_ATTR_T is used to quiet compiler warnings when building ncurses * configured using --disable-macros. */ -#ifdef NCURSES_NOMACROS -#ifndef NCURSES_ATTR_T -#define NCURSES_ATTR_T attr_t -#endif -#endif /* NCURSES_NOMACROS */ - #ifndef NCURSES_ATTR_T #define NCURSES_ATTR_T int #endif @@ -95,13 +89,13 @@ #define NCURSES_INLINE @NCURSES_INLINE@ /* - * The internal type used for color values, and for color-pairs. The latter + * The standard type used for color values, and for color-pairs. The latter * allows the curses library to enumerate the combinations of foreground and * background colors used by an application, and is normally the product of the * total foreground and background colors. * * X/Open uses "short" for both of these types, ultimately because they are - * numbers from the terminal database, which uses 16-bit signed values. + * numbers from the SVr4 terminal database, which uses 16-bit signed values. */ #undef NCURSES_COLOR_T #define NCURSES_COLOR_T short @@ -110,10 +104,22 @@ #define NCURSES_PAIRS_T short /* - * Definition used to make WINDOW and similar structs opaque. + * Definitions used to make WINDOW and similar structs opaque. */ -#ifndef @cf_cv_enable_opaque@ -#define NCURSES_OPAQUE @NCURSES_OPAQUE@ +#ifndef NCURSES_INTERNALS +#define NCURSES_OPAQUE @NCURSES_OPAQUE@ +#define NCURSES_OPAQUE_FORM @NCURSES_OPAQUE_FORM@ +#define NCURSES_OPAQUE_MENU @NCURSES_OPAQUE_MENU@ +#define NCURSES_OPAQUE_PANEL @NCURSES_OPAQUE_PANEL@ +#endif + +/* + * Definition used to optionally suppress wattr* macros to help with the + * transition from ncurses5 to ncurses6 by allowing the header files to + * be shared across development packages for ncursesw in both ABIs. + */ +#ifndef NCURSES_WATTR_MACROS +#define NCURSES_WATTR_MACROS @NCURSES_WATTR_MACROS@ #endif /* @@ -148,6 +154,13 @@ #undef NCURSES_TPARM_ARG #define NCURSES_TPARM_ARG @NCURSES_TPARM_ARG@ +/* + * Control whether ncurses uses wcwidth() for checking width of line-drawing + * characters. + */ +#undef NCURSES_WCWIDTH_GRAPHICS +#define NCURSES_WCWIDTH_GRAPHICS @NCURSES_WCWIDTH_GRAPHICS@ + /* * NCURSES_CH_T is used in building the library, but not used otherwise in * this header file, since that would make the normal/wide-character versions @@ -235,6 +248,8 @@ extern "C" { #define NCURSES_CAST(type,value) (type)(value) #endif +#define NCURSES_OK_ADDR(p) (0 != NCURSES_CAST(const void *, (p))) + /* * X/Open attributes. In the ncurses implementation, they are identical to the * A_ attributes. @@ -715,9 +730,9 @@ extern NCURSES_EXPORT(int) mvwscanw (WINDOW *,int,int, NCURSES_CONST char *,...) GCC_SCANFLIKE(4,5); extern NCURSES_EXPORT(int) mvwvline (WINDOW *,int, int, chtype, int); /* generated */ extern NCURSES_EXPORT(int) napms (int); /* implemented */ -extern NCURSES_EXPORT(WINDOW *) newpad (int,int); /* implemented */ +extern NCURSES_EXPORT(WINDOW *) newpad (int,int); /* implemented */ extern NCURSES_EXPORT(SCREEN *) newterm (NCURSES_CONST char *,FILE *,FILE *); /* implemented */ -extern NCURSES_EXPORT(WINDOW *) newwin (int,int,int,int); /* implemented */ +extern NCURSES_EXPORT(WINDOW *) newwin (int,int,int,int); /* implemented */ extern NCURSES_EXPORT(int) nl (void); /* implemented */ extern NCURSES_EXPORT(int) nocbreak (void); /* implemented */ extern NCURSES_EXPORT(int) nodelay (WINDOW *,bool); /* implemented */ @@ -771,7 +786,7 @@ extern NCURSES_EXPORT(int) slk_noutrefresh (void); /* implemented */ extern NCURSES_EXPORT(int) slk_refresh (void); /* implemented */ extern NCURSES_EXPORT(int) slk_restore (void); /* implemented */ extern NCURSES_EXPORT(int) slk_set (int,const char *,int); /* implemented */ -extern NCURSES_EXPORT(int) slk_touch (void); /* implemented */ +extern NCURSES_EXPORT(int) slk_touch (void); /* implemented */ extern NCURSES_EXPORT(int) standout (void); /* generated */ extern NCURSES_EXPORT(int) standend (void); /* generated */ extern NCURSES_EXPORT(int) start_color (void); /* implemented */ @@ -900,9 +915,17 @@ typedef int (*NCURSES_SCREEN_CB)(SCREEN *, void *); extern NCURSES_EXPORT(bool) is_term_resized (int, int); extern NCURSES_EXPORT(char *) keybound (int, int); extern NCURSES_EXPORT(const char *) curses_version (void); +extern NCURSES_EXPORT(int) alloc_pair (int, int); extern NCURSES_EXPORT(int) assume_default_colors (int, int); extern NCURSES_EXPORT(int) define_key (const char *, int); +extern NCURSES_EXPORT(int) extended_color_content(int, int *, int *, int *); +extern NCURSES_EXPORT(int) extended_pair_content(int, int *, int *); +extern NCURSES_EXPORT(int) extended_slk_color(int); +extern NCURSES_EXPORT(int) find_pair (int, int); +extern NCURSES_EXPORT(int) free_pair (int); extern NCURSES_EXPORT(int) get_escdelay (void); +extern NCURSES_EXPORT(int) init_extended_color(int, int, int, int); +extern NCURSES_EXPORT(int) init_extended_pair(int, int, int); extern NCURSES_EXPORT(int) key_defined (const char *); extern NCURSES_EXPORT(int) keyok (int, bool); extern NCURSES_EXPORT(int) resize_term (int, int); @@ -1031,9 +1054,17 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(vidattr) (SCREEN*, chtype); /* implem extern NCURSES_EXPORT(int) NCURSES_SP_NAME(vidputs) (SCREEN*, chtype, NCURSES_SP_OUTC); /* implemented:SP_FUNC */ #if @NCURSES_EXT_FUNCS@ extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(keybound) (SCREEN*, int, int); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(alloc_pair) (SCREEN*, int, int); /* implemented:EXT_SP_FUNC */ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(assume_default_colors) (SCREEN*, int, int); /* implemented:EXT_SP_FUNC */ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(define_key) (SCREEN*, const char *, int); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(extended_color_content) (SCREEN*, int, int *, int *, int *); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(extended_pair_content) (SCREEN*, int, int *, int *); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(extended_slk_color) (SCREEN*, int); /* implemented:EXT_SP_FUNC */ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(get_escdelay) (SCREEN*); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(find_pair) (SCREEN*, int, int); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(free_pair) (SCREEN*, int); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(init_extended_color) (SCREEN*, int, int, int, int); /* implemented:EXT_SP_FUNC */ +extern NCURSES_EXPORT(int) NCURSES_SP_NAME(init_extended_pair) (SCREEN*, int, int, int); /* implemented:EXT_SP_FUNC */ extern NCURSES_EXPORT(bool) NCURSES_SP_NAME(is_term_resized) (SCREEN*, int, int); /* implemented:EXT_SP_FUNC */ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(key_defined) (SCREEN*, const char *); /* implemented:EXT_SP_FUNC */ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(keyok) (SCREEN*, int, bool); /* implemented:EXT_SP_FUNC */ @@ -1091,7 +1122,7 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(use_legacy_coding) (SCREEN*, int); /* * These pseudo functions are always implemented as macros: */ -#define getyx(win,y,x) (y = getcury(win), x = getcurx(win)) +#define getyx(win,y,x) (y = getcury(win), x = getcurx(win)) #define getbegyx(win,y,x) (y = getbegy(win), x = getbegx(win)) #define getmaxyx(win,y,x) (y = getmaxy(win), x = getmaxx(win)) #define getparyx(win,y,x) (y = getpary(win), x = getparx(win)) @@ -1134,36 +1165,40 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(use_legacy_coding) (SCREEN*, int); /* /* It seems older SYSV curses versions define these */ #if !NCURSES_OPAQUE -#define getattrs(win) NCURSES_CAST(int, (win) ? (win)->_attrs : A_NORMAL) -#define getcurx(win) ((win) ? (win)->_curx : ERR) -#define getcury(win) ((win) ? (win)->_cury : ERR) -#define getbegx(win) ((win) ? (win)->_begx : ERR) -#define getbegy(win) ((win) ? (win)->_begy : ERR) -#define getmaxx(win) ((win) ? ((win)->_maxx + 1) : ERR) -#define getmaxy(win) ((win) ? ((win)->_maxy + 1) : ERR) -#define getparx(win) ((win) ? (win)->_parx : ERR) -#define getpary(win) ((win) ? (win)->_pary : ERR) +#define getattrs(win) NCURSES_CAST(int, NCURSES_OK_ADDR(win) ? (win)->_attrs : A_NORMAL) +#define getcurx(win) (NCURSES_OK_ADDR(win) ? (win)->_curx : ERR) +#define getcury(win) (NCURSES_OK_ADDR(win) ? (win)->_cury : ERR) +#define getbegx(win) (NCURSES_OK_ADDR(win) ? (win)->_begx : ERR) +#define getbegy(win) (NCURSES_OK_ADDR(win) ? (win)->_begy : ERR) +#define getmaxx(win) (NCURSES_OK_ADDR(win) ? ((win)->_maxx + 1) : ERR) +#define getmaxy(win) (NCURSES_OK_ADDR(win) ? ((win)->_maxy + 1) : ERR) +#define getparx(win) (NCURSES_OK_ADDR(win) ? (win)->_parx : ERR) +#define getpary(win) (NCURSES_OK_ADDR(win) ? (win)->_pary : ERR) #endif /* NCURSES_OPAQUE */ -#define wstandout(win) (wattrset(win,A_STANDOUT)) -#define wstandend(win) (wattrset(win,A_NORMAL)) +#define wstandout(win) (wattrset(win,A_STANDOUT)) +#define wstandend(win) (wattrset(win,A_NORMAL)) #define wattron(win,at) wattr_on(win, NCURSES_CAST(attr_t, at), NULL) #define wattroff(win,at) wattr_off(win, NCURSES_CAST(attr_t, at), NULL) #if !NCURSES_OPAQUE +#if NCURSES_WATTR_MACROS #if NCURSES_WIDECHAR && @NCURSES_EXT_COLORS@ -#define wattrset(win,at) ((win) \ - ? ((win)->_color = NCURSES_CAST(int, PAIR_NUMBER(at)), \ - (win)->_attrs = NCURSES_CAST(attr_t, at), \ - OK) \ - : ERR) +#define wattrset(win,at) \ + (NCURSES_OK_ADDR(win) \ + ? ((win)->_color = NCURSES_CAST(int, PAIR_NUMBER(at)), \ + (win)->_attrs = NCURSES_CAST(attr_t, at), \ + OK) \ + : ERR) #else -#define wattrset(win,at) ((win) \ - ? ((win)->_attrs = NCURSES_CAST(attr_t, at), \ - OK) \ - : ERR) +#define wattrset(win,at) \ + (NCURSES_OK_ADDR(win) \ + ? ((win)->_attrs = NCURSES_CAST(attr_t, at), \ + OK) \ + : ERR) #endif +#endif /* NCURSES_WATTR_MACROS */ #endif /* NCURSES_OPAQUE */ #define scroll(win) wscrl(win,1) @@ -1182,7 +1217,7 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(use_legacy_coding) (SCREEN*, int); /* #define winsstr(w, s) winsnstr(w, s, -1) #if !NCURSES_OPAQUE -#define redrawwin(win) wredrawln(win, 0, ((win) ? (win)->_maxy+1 : -1)) +#define redrawwin(win) wredrawln(win, 0, (NCURSES_OK_ADDR(win) ? (win)->_maxy+1 : -1)) #endif /* NCURSES_OPAQUE */ #define waddstr(win,str) waddnstr(win,str,-1) @@ -1191,7 +1226,7 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(use_legacy_coding) (SCREEN*, int); /* /* * These apply to the first 256 color pairs. */ -#define COLOR_PAIR(n) NCURSES_BITS((n), 0) +#define COLOR_PAIR(n) (NCURSES_BITS((n), 0) & A_COLOR) #define PAIR_NUMBER(a) (NCURSES_CAST(int,((NCURSES_CAST(unsigned long,(a)) & A_COLOR) >> NCURSES_ATTR_SHIFT))) /* @@ -1203,13 +1238,13 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(use_legacy_coding) (SCREEN*, int); /* #define addchstr(str) waddchstr(stdscr,(str)) #define addnstr(str,n) waddnstr(stdscr,(str),(n)) #define addstr(str) waddnstr(stdscr,(str),-1) -#define attroff(at) wattroff(stdscr,(at)) -#define attron(at) wattron(stdscr,(at)) -#define attrset(at) wattrset(stdscr,(at)) #define attr_get(ap,cp,o) wattr_get(stdscr,(ap),(cp),(o)) #define attr_off(a,o) wattr_off(stdscr,(a),(o)) #define attr_on(a,o) wattr_on(stdscr,(a),(o)) #define attr_set(a,c,o) wattr_set(stdscr,(a),(c),(o)) +#define attroff(at) wattroff(stdscr,(at)) +#define attron(at) wattron(stdscr,(at)) +#define attrset(at) wattrset(stdscr,(at)) #define bkgd(ch) wbkgd(stdscr,(ch)) #define bkgdset(ch) wbkgdset(stdscr,(ch)) #define chgat(n,a,c,o) wchgat(stdscr,(n),(a),(c),(o)) @@ -1252,8 +1287,8 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(use_legacy_coding) (SCREEN*, int); /* #define mvwaddchstr(win,y,x,str) (wmove((win),(y),(x)) == ERR ? ERR : waddchnstr((win),(str),-1)) #define mvwaddnstr(win,y,x,str,n) (wmove((win),(y),(x)) == ERR ? ERR : waddnstr((win),(str),(n))) #define mvwaddstr(win,y,x,str) (wmove((win),(y),(x)) == ERR ? ERR : waddnstr((win),(str),-1)) -#define mvwdelch(win,y,x) (wmove((win),(y),(x)) == ERR ? ERR : wdelch(win)) #define mvwchgat(win,y,x,n,a,c,o) (wmove((win),(y),(x)) == ERR ? ERR : wchgat((win),(n),(a),(c),(o))) +#define mvwdelch(win,y,x) (wmove((win),(y),(x)) == ERR ? ERR : wdelch(win)) #define mvwgetch(win,y,x) (wmove((win),(y),(x)) == ERR ? ERR : wgetch(win)) #define mvwgetnstr(win,y,x,str,n) (wmove((win),(y),(x)) == ERR ? ERR : wgetnstr((win),(str),(n))) #define mvwgetstr(win,y,x,str) (wmove((win),(y),(x)) == ERR ? ERR : wgetstr((win),(str))) @@ -1293,31 +1328,53 @@ extern NCURSES_EXPORT(int) NCURSES_SP_NAME(use_legacy_coding) (SCREEN*, int); /* * Some wide-character functions can be implemented without the extensions. */ #if !NCURSES_OPAQUE -#define getbkgd(win) ((win) ? ((win)->_bkgd) : 0) +#define getbkgd(win) (NCURSES_OK_ADDR(win) ? ((win)->_bkgd) : 0) #endif /* NCURSES_OPAQUE */ #define slk_attr_off(a,v) ((v) ? ERR : slk_attroff(a)) #define slk_attr_on(a,v) ((v) ? ERR : slk_attron(a)) #if !NCURSES_OPAQUE +#if NCURSES_WATTR_MACROS #if NCURSES_WIDECHAR && @NCURSES_EXT_COLORS@ -#define wattr_set(win,a,p,opts) (((win) \ - ? ((win)->_attrs = ((a) & ~A_COLOR), \ - (win)->_color = (p)) \ - : OK), \ - OK) -#define wattr_get(win,a,p,opts) ((void)(((a) != (void *)0) ? (*(a) = (win) ? (win)->_attrs : 0) : OK), \ - (void)(((p) != (void *)0) ? (*(p) = (NCURSES_PAIRS_T) ((win) ? (win)->_color : 0)) : OK), \ - OK) -#else -#define wattr_set(win,a,p,opts) (((win) \ - ? ((win)->_attrs = (((a) & ~A_COLOR) | (attr_t)COLOR_PAIR(p))) \ - : OK), \ - OK) -#define wattr_get(win,a,p,opts) ((void)(((a) != (void *)0) ? (*(a) = (win) ? (win)->_attrs : 0) : OK), \ - (void)(((p) != (void *)0) ? (*(p) = (NCURSES_PAIRS_T) ((win) ? PAIR_NUMBER((win)->_attrs) : 0)) : OK), \ - OK) -#endif +#define wattr_set(win,a,p,opts) \ + (NCURSES_OK_ADDR(win) \ + ? ((void)((win)->_attrs = ((a) & ~A_COLOR), \ + (win)->_color = (opts) ? *(int *)(opts) : (p)), \ + OK) \ + : ERR) +#define wattr_get(win,a,p,opts) \ + (NCURSES_OK_ADDR(win) \ + ? ((void)(NCURSES_OK_ADDR(a) \ + ? (*(a) = (win)->_attrs) \ + : OK), \ + (void)(NCURSES_OK_ADDR(p) \ + ? (*(p) = (NCURSES_PAIRS_T) (win)->_color) \ + : OK), \ + (void)(NCURSES_OK_ADDR(opts) \ + ? (*(int *)(opts) = (win)->_color) \ + : OK), \ + OK) \ + : ERR) +#else /* !(NCURSES_WIDECHAR && NCURSES_EXE_COLORS) */ +#define wattr_set(win,a,p,opts) \ + (NCURSES_OK_ADDR(win) \ + ? ((void)((win)->_attrs = (((a) & ~A_COLOR) | \ + (attr_t)COLOR_PAIR(p))), \ + OK) \ + : ERR) +#define wattr_get(win,a,p,opts) \ + (NCURSES_OK_ADDR(win) \ + ? ((void)(NCURSES_OK_ADDR(a) \ + ? (*(a) = (win)->_attrs) \ + : OK), \ + (void)(NCURSES_OK_ADDR(p) \ + ? (*(p) = (NCURSES_PAIRS_T) PAIR_NUMBER((win)->_attrs)) \ + : OK), \ + OK) \ + : ERR) +#endif /* (NCURSES_WIDECHAR && NCURSES_EXE_COLORS) */ +#endif /* NCURSES_WATTR_MACROS */ #endif /* NCURSES_OPAQUE */ /* @@ -1342,21 +1399,21 @@ NCURSES_EXPORT(int) vsscanf(const char *, const char *, va_list); */ #if @NCURSES_EXT_FUNCS@ #if !NCURSES_OPAQUE -#define is_cleared(win) ((win) ? (win)->_clear : FALSE) -#define is_idcok(win) ((win) ? (win)->_idcok : FALSE) -#define is_idlok(win) ((win) ? (win)->_idlok : FALSE) -#define is_immedok(win) ((win) ? (win)->_immed : FALSE) -#define is_keypad(win) ((win) ? (win)->_use_keypad : FALSE) -#define is_leaveok(win) ((win) ? (win)->_leaveok : FALSE) -#define is_nodelay(win) ((win) ? ((win)->_delay == 0) : FALSE) -#define is_notimeout(win) ((win) ? (win)->_notimeout : FALSE) -#define is_pad(win) ((win) ? ((win)->_flags & _ISPAD) != 0 : FALSE) -#define is_scrollok(win) ((win) ? (win)->_scroll : FALSE) -#define is_subwin(win) ((win) ? ((win)->_flags & _SUBWIN) != 0 : FALSE) -#define is_syncok(win) ((win) ? (win)->_sync : FALSE) -#define wgetdelay(win) ((win) ? (win)->_delay : 0) -#define wgetparent(win) ((win) ? (win)->_parent : 0) -#define wgetscrreg(win,t,b) ((win) ? (*(t) = (win)->_regtop, *(b) = (win)->_regbottom, OK) : ERR) +#define is_cleared(win) (NCURSES_OK_ADDR(win) ? (win)->_clear : FALSE) +#define is_idcok(win) (NCURSES_OK_ADDR(win) ? (win)->_idcok : FALSE) +#define is_idlok(win) (NCURSES_OK_ADDR(win) ? (win)->_idlok : FALSE) +#define is_immedok(win) (NCURSES_OK_ADDR(win) ? (win)->_immed : FALSE) +#define is_keypad(win) (NCURSES_OK_ADDR(win) ? (win)->_use_keypad : FALSE) +#define is_leaveok(win) (NCURSES_OK_ADDR(win) ? (win)->_leaveok : FALSE) +#define is_nodelay(win) (NCURSES_OK_ADDR(win) ? ((win)->_delay == 0) : FALSE) +#define is_notimeout(win) (NCURSES_OK_ADDR(win) ? (win)->_notimeout : FALSE) +#define is_pad(win) (NCURSES_OK_ADDR(win) ? ((win)->_flags & _ISPAD) != 0 : FALSE) +#define is_scrollok(win) (NCURSES_OK_ADDR(win) ? (win)->_scroll : FALSE) +#define is_subwin(win) (NCURSES_OK_ADDR(win) ? ((win)->_flags & _SUBWIN) != 0 : FALSE) +#define is_syncok(win) (NCURSES_OK_ADDR(win) ? (win)->_sync : FALSE) +#define wgetdelay(win) (NCURSES_OK_ADDR(win) ? (win)->_delay : 0) +#define wgetparent(win) (NCURSES_OK_ADDR(win) ? (win)->_parent : 0) +#define wgetscrreg(win,t,b) (NCURSES_OK_ADDR(win) ? (*(t) = (win)->_regtop, *(b) = (win)->_regbottom, OK) : ERR) #endif #endif