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NAME    [Toc]    [Back]

       terminfo - terminal capability data base

SYNOPSIS    [Toc]    [Back]


DESCRIPTION    [Toc]    [Back]

       Terminfo  is  a data base describing terminals, used by screen-oriented
       programs such as nvi(1), rogue(1) and  libraries  such  as  curses(3X).
       Terminfo describes terminals by giving a set of capabilities which they
       have, by specifying how to perform screen operations, and by specifying
       padding requirements and initialization sequences.

       Entries	in  terminfo  consist  of  a  sequence of `,' separated fields
       (embedded commas may be escaped with a  backslash or notated as	\072).
       White  space  after  the `,' separator is ignored.  The first entry for
       each terminal gives the names which are known for the  terminal,  separated
  by  `|'  characters.   The  first  name given is the most common
       abbreviation for the terminal, the last name given  should  be  a  long
       name  fully  identifying the terminal, and all others are understood as
       synonyms for the terminal name.	All names but the last	should	be  in
       lower  case and contain no blanks; the last name may well contain upper
       case and blanks for readability.

       Terminal names (except for the last, verbose entry)  should  be	chosen
       using the following conventions.  The particular piece of hardware making
 up the terminal should have a root  name,  thus  ``hp2621''.   This
       name should not contain hyphens.  Modes that the hardware can be in, or
       user preferences, should be indicated by appending a hyphen and a  mode
       suffix.	 Thus,	a vt100 in 132 column mode would be vt100-w.  The following
 suffixes should be used where possible:

	    Suffix		    Meaning		      Example
	    -nn      Number of lines on the screen	      aaa-60
	    -np      Number of pages of memory		      c100-4p
	    -am      With automargins (usually the default)   vt100-am
	    -m	     Mono mode; suppress color		      ansi-m
	    -mc      Magic cookie; spaces when highlighting   wy30-mc
	    -na      No arrow keys (leave them in local)      c100-na
	    -nam     Without automatic margins		      vt100-nam
	    -nl      No status line			      att4415-nl
	    -ns      No status line			      hp2626-ns
	    -rv      Reverse video			      c100-rv
	    -s	     Enable status line 		      vt100-s
	    -vb      Use visible bell instead of beep	      wy370-vb
	    -w	     Wide mode (> 80 columns, usually 132)    vt100-w

       For more on terminal naming conventions, see the term(7) manual page.

   Capabilities    [Toc]    [Back]
       The following is a complete table of the  capabilities  included  in  a
       terminfo  description  block  and available to terminfo-using code.  In
       each line of the table,

       The variable is the name by  which  the	programmer  (at  the  terminfo
       level) accesses the capability.

       The  capname is the short name used in the text of the database, and is
       used by a person updating the database.	 Whenever  possible,  capnames
       are chosen to be the same as or similar to the ANSI X3.64-1979 standard
       (now superseded by  ECMA-48,  which  uses  identical  or  very  similar
       names).	 Semantics  are also intended to match those of the specification.

       The termcap code is the old termcap capability name (some  capabilities
       are new, and have names which termcap did not originate).

       Capability  names have no hard length limit, but an informal limit of 5
       characters has been adopted to keep them short and to allow the tabs in
       the source file Caps to line up nicely.

       Finally,  the description field attempts to convey the semantics of the
       capability.  You may find some codes in the description field:

       (P)    indicates that padding may be specified

       #[1-9] in the description field indicates that  the  string  is	passed
	      through tparm with parms as given (#i).

       (P*)   indicates  that  padding may vary in proportion to the number of
	      lines affected

       (#i)   indicates the ith parameter.

       These are the boolean capabilities:

	       Variable 	     Cap-	TCap	      Description
	       Booleans 	     name	Code
       auto_left_margin 	     bw 	bw	  cub1 wraps from column
 0 to last column
       auto_right_margin	     am 	am	  terminal has automatic
       back_color_erase 	     bce	ut	  screen erased with
							  background color
       can_change		     ccc	cc	  terminal can redefine
 existing colors

       ceol_standout_glitch	     xhp	xs	  standout not erased
							  by overwriting (hp)
       col_addr_glitch		     xhpa	YA	  only positive motion
							  for hpa/mhpa caps
       cpi_changes_res		     cpix	YF	  changing character
							  pitch changes resolution

       cr_cancels_micro_mode	     crxm	YB	  using cr turns off
							  micro mode
       dest_tabs_magic_smso	     xt 	xt	  tabs destructive,
							  magic so char
       eat_newline_glitch	     xenl	xn	  newline ignored
							  after 80 cols (concept)

       erase_overstrike 	     eo 	eo	  can erase overstrikes
 with a blank
       generic_type		     gn 	gn	  generic line type
       hard_copy		     hc 	hc	  hardcopy terminal
       hard_cursor		     chts	HC	  cursor is hard to
       has_meta_key		     km 	km	  Has a meta key
							  (i.e., sets 8th-bit)
       has_print_wheel		     daisy	YC	  printer needs operator
 to change character

       has_status_line		     hs 	hs	  has extra status
       hue_lightness_saturation      hls	hl	  terminal uses only
							  HLS color notation
       insert_null_glitch	     in 	in	  insert mode distinguishes
       lpi_changes_res		     lpix	YG	  changing line pitch
							  changes resolution
       memory_above		     da 	da	  display may be
							  retained above the
       memory_below		     db 	db	  display may be
							  retained below the
       move_insert_mode 	     mir	mi	  safe to move while
							  in insert mode
       move_standout_mode	     msgr	ms	  safe to move while
							  in standout mode
       needs_xon_xoff		     nxon	nx	  padding will not
							  work, xon/xoff
       no_esc_ctlc		     xsb	xb	  beehive (f1=escape,
							  f2=ctrl C)
       no_pad_char		     npc	NP	  pad character does
							  not exist
       non_dest_scroll_region	     ndscr	ND	  scrolling region is
       non_rev_rmcup		     nrrmc	NR	  smcup does not
							  reverse rmcup
       over_strike		     os 	os	  terminal can overstrike

       prtr_silent		     mc5i	5i	  printer will not
							  echo on screen
       row_addr_glitch		     xvpa	YD	  only positive motion
							  for vpa/mvpa caps
       semi_auto_right_margin	     sam	YE	  printing in last
							  column causes cr
       status_line_esc_ok	     eslok	es	  escape can be used
							  on the status line
       tilde_glitch		     hz 	hz	  cannot print ~'s
       transparent_underline	     ul 	ul	  underline character
       xon_xoff 		     xon	xo	  terminal uses
							  xon/xoff handshaking

       These are the numeric capabilities:

	    Variable		 Cap-	      TCap	      Description
	     Numeric		 name	      Code
       columns			 cols	      co	  number of columns in
							  a line
       init_tabs		 it	      it	  tabs initially every
							  # spaces
       label_height		 lh	      lh	  rows in each label
       label_width		 lw	      lw	  columns in each
       lines			 lines	      li	  number of lines on
							  screen or page
       lines_of_memory		 lm	      lm	  lines of memory if >
							  line. 0 means varies

       magic_cookie_glitch	 xmc	      sg	  number of blank
							  characters left by
							  smso or rmso
       max_attributes		 ma	      ma	  maximum combined
							  attributes terminal
							  can handle
       max_colors		 colors       Co	  maximum number of
							  colors on screen
       max_pairs		 pairs	      pa	  maximum number of
							  color-pairs on the
       maximum_windows		 wnum	      MW	  maximum number of
							  defineable windows
       no_color_video		 ncv	      NC	  video attributes
							  that cannot be used
							  with colors
       num_labels		 nlab	      Nl	  number of labels on
       padding_baud_rate	 pb	      pb	  lowest baud rate
							  where padding needed
       virtual_terminal 	 vt	      vt	  virtual terminal
							  number (CB/unix)
       width_status_line	 wsl	      ws	  number of columns in
							  status line

       The  following  numeric	capabilities  are  present  in the SVr4.0 term
       structure, but are not yet documented in the man page.	They  came  in
       with SVr4's printer support.

	     Variable		  Cap-	       TCap	      Description
	     Numeric		  name	       Code
       bit_image_entwining	  bitwin       Yo	  number of passes for
							  each bit-image row
       bit_image_type		  bitype       Yp	  type of bit-image
       buffer_capacity		  bufsz        Ya	  numbers of bytes
							  buffered before
       buttons			  btns	       BT	  number of buttons on
       dot_horz_spacing 	  spinh        Yc	  spacing of dots horizontally
 in dots
							  per inch
       dot_vert_spacing 	  spinv        Yb	  spacing of pins vertically
 in pins per
       max_micro_address	  maddr        Yd	  maximum value in
       max_micro_jump		  mjump        Ye	  maximum value in
       micro_col_size		  mcs	       Yf	  character step size
							  when in micro mode
       micro_line_size		  mls	       Yg	  line step size when
							  in micro mode
       number_of_pins		  npins        Yh	  numbers of pins in
       output_res_char		  orc	       Yi	  horizontal resolution
 in units per
       output_res_horz_inch	  orhi	       Yk	  horizontal resolution
 in units per
       output_res_line		  orl	       Yj	  vertical resolution
							  in units per line

       output_res_vert_inch	  orvi	       Yl	  vertical resolution
							  in units per inch
       print_rate		  cps	       Ym	  print rate in characters
 per second
       wide_char_size		  widcs        Yn	  character step size
							  when in double wide

       These are the string capabilities:

	       Variable 	     Cap-	TCap	      Description
		String		     name	Code
       acs_chars		     acsc	ac	  graphics charset
							  pairs, based on
       back_tab 		     cbt	bt	  back tab (P)
       bell			     bel	bl	  audible signal
							  (bell) (P)
       carriage_return		     cr 	cr	  carriage return (P*)
       change_char_pitch	     cpi	ZA	  Change number of
							  characters per inch
							  to #1
       change_line_pitch	     lpi	ZB	  Change number of
							  lines per inch to #1
       change_res_horz		     chr	ZC	  Change horizontal
							  resolution to #1
       change_res_vert		     cvr	ZD	  Change vertical resolution
 to #1
       change_scroll_region	     csr	cs	  change region to
							  line #1 to line #2
       char_padding		     rmp	rP	  like ip but when in
							  insert mode
       clear_all_tabs		     tbc	ct	  clear all tab stops
       clear_margins		     mgc	MC	  clear right and left
							  soft margins
       clear_screen		     clear	cl	  clear screen and
							  home cursor (P*)
       clr_bol			     el1	cb	  Clear to beginning
							  of line
       clr_eol			     el 	ce	  clear to end of line
       clr_eos			     ed 	cd	  clear to end of
							  screen (P*)
       column_address		     hpa	ch	  horizontal position
							  #1, absolute (P)
       command_character	     cmdch	CC	  terminal settable
							  cmd character in
							  prototype !?
       create_window		     cwin	CW	  define a window #1
							  from #2,#3 to #4,#5
       cursor_address		     cup	cm	  move to row #1 columns
       cursor_down		     cud1	do	  down one line
       cursor_home		     home	ho	  home cursor (if no
       cursor_invisible 	     civis	vi	  make cursor invisible

       cursor_left		     cub1	le	  move left one space
       cursor_mem_address	     mrcup	CM	  memory relative cursor
 addressing, move
							  to row #1 columns #2

       cursor_normal		     cnorm	ve	  make cursor appear
							  normal (undo
       cursor_right		     cuf1	nd	  non-destructive
							  space (move right
							  one space)
       cursor_to_ll		     ll 	ll	  last line, first
							  column (if no cup)
       cursor_up		     cuu1	up	  up one line
       cursor_visible		     cvvis	vs	  make cursor very
       define_char		     defc	ZE	  Define a character
							  #1, #2 dots wide,
							  descender #3
       delete_character 	     dch1	dc	  delete character
       delete_line		     dl1	dl	  delete line (P*)
       dial_phone		     dial	DI	  dial number #1
       dis_status_line		     dsl	ds	  disable status line
       display_clock		     dclk	DK	  display clock
       down_half_line		     hd 	hd	  half a line down
       ena_acs			     enacs	eA	  enable alternate
							  char set
       enter_alt_charset_mode	     smacs	as	  start alternate
							  character set (P)
       enter_am_mode		     smam	SA	  turn on automatic
       enter_blink_mode 	     blink	mb	  turn on blinking
       enter_bold_mode		     bold	md	  turn on bold (extra
							  bright) mode
       enter_ca_mode		     smcup	ti	  string to start programs
 using cup
       enter_delete_mode	     smdc	dm	  enter delete mode
       enter_dim_mode		     dim	mh	  turn on half-bright
       enter_doublewide_mode	     swidm	ZF	  Enter double-wide
       enter_draft_quality	     sdrfq	ZG	  Enter draft-quality
       enter_insert_mode	     smir	im	  enter insert mode
       enter_italics_mode	     sitm	ZH	  Enter italic mode
       enter_leftward_mode	     slm	ZI	  Start leftward carriage
       enter_micro_mode 	     smicm	ZJ	  Start micro-motion
       enter_near_letter_quality     snlq	ZK	  Enter NLQ mode
       enter_normal_quality	     snrmq	ZL	  Enter normal-quality
       enter_protected_mode	     prot	mp	  turn on protected
       enter_reverse_mode	     rev	mr	  turn on reverse
							  video mode
       enter_secure_mode	     invis	mk	  turn on blank mode
							  (characters invisible)

       enter_shadow_mode	     sshm	ZM	  Enter shadow-print
       enter_standout_mode	     smso	so	  begin standout mode
       enter_subscript_mode	     ssubm	ZN	  Enter subscript mode
       enter_superscript_mode	     ssupm	ZO	  Enter superscript
       enter_underline_mode	     smul	us	  begin underline mode
       enter_upward_mode	     sum	ZP	  Start upward carriage

       enter_xon_mode		     smxon	SX	  turn on xon/xoff
       erase_chars		     ech	ec	  erase #1 characters
       exit_alt_charset_mode	     rmacs	ae	  end alternate character
 set (P)
       exit_am_mode		     rmam	RA	  turn off automatic
       exit_attribute_mode	     sgr0	me	  turn off all
       exit_ca_mode		     rmcup	te	  strings to end programs
 using cup
       exit_delete_mode 	     rmdc	ed	  end delete mode
       exit_doublewide_mode	     rwidm	ZQ	  End double-wide mode
       exit_insert_mode 	     rmir	ei	  exit insert mode
       exit_italics_mode	     ritm	ZR	  End italic mode
       exit_leftward_mode	     rlm	ZS	  End left-motion mode
       exit_micro_mode		     rmicm	ZT	  End micro-motion
       exit_shadow_mode 	     rshm	ZU	  End shadow-print
       exit_standout_mode	     rmso	se	  exit standout mode
       exit_subscript_mode	     rsubm	ZV	  End subscript mode
       exit_superscript_mode	     rsupm	ZW	  End superscript mode
       exit_underline_mode	     rmul	ue	  exit underline mode
       exit_upward_mode 	     rum	ZX	  End reverse character
       exit_xon_mode		     rmxon	RX	  turn off xon/xoff
       fixed_pause		     pause	PA	  pause for 2-3 seconds

       flash_hook		     hook	fh	  flash switch hook
       flash_screen		     flash	vb	  visible bell (may
							  not move cursor)
       form_feed		     ff 	ff	  hardcopy terminal
							  page eject (P*)
       from_status_line 	     fsl	fs	  return from status
       goto_window		     wingo	WG	  go to window #1
       hangup			     hup	HU	  hang-up phone
       init_1string		     is1	i1	  initialization
       init_2string		     is2	is	  initialization
       init_3string		     is3	i3	  initialization
       init_file		     if 	if	  name of initialization
       init_prog		     iprog	iP	  path name of program
							  for initialization
       initialize_color 	     initc	Ic	  initialize color #1
							  to (#2,#3,#4)
       initialize_pair		     initp	Ip	  Initialize color
							  pair #1 to
       insert_character 	     ich1	ic	  insert character (P)
       insert_line		     il1	al	  insert line (P*)
       insert_padding		     ip 	ip	  insert padding after
							  inserted character
       key_a1			     ka1	K1	  upper left of keypad
       key_a3			     ka3	K3	  upper right of keypad

       key_b2			     kb2	K2	  center of keypad
       key_backspace		     kbs	kb	  backspace key

       key_beg			     kbeg	@1	  begin key
       key_btab 		     kcbt	kB	  back-tab key
       key_c1			     kc1	K4	  lower left of keypad
       key_c3			     kc3	K5	  lower right of keypad

       key_cancel		     kcan	@2	  cancel key
       key_catab		     ktbc	ka	  clear-all-tabs key
       key_clear		     kclr	kC	  clear-screen or
							  erase key
       key_close		     kclo	@3	  close key
       key_command		     kcmd	@4	  command key
       key_copy 		     kcpy	@5	  copy key
       key_create		     kcrt	@6	  create key
       key_ctab 		     kctab	kt	  clear-tab key
       key_dc			     kdch1	kD	  delete-character key
       key_dl			     kdl1	kL	  delete-line key
       key_down 		     kcud1	kd	  down-arrow key
       key_eic			     krmir	kM	  sent by rmir or smir
							  in insert mode
       key_end			     kend	@7	  end key
       key_enter		     kent	@8	  enter/send key
       key_eol			     kel	kE	  clear-to-end-of-line
       key_eos			     ked	kS	  clear-to-end-ofscreen
       key_exit 		     kext	@9	  exit key
       key_f0			     kf0	k0	  F0 function key
       key_f1			     kf1	k1	  F1 function key
       key_f10			     kf10	k;	  F10 function key
       key_f11			     kf11	F1	  F11 function key
       key_f12			     kf12	F2	  F12 function key
       key_f13			     kf13	F3	  F13 function key
       key_f14			     kf14	F4	  F14 function key
       key_f15			     kf15	F5	  F15 function key
       key_f16			     kf16	F6	  F16 function key
       key_f17			     kf17	F7	  F17 function key
       key_f18			     kf18	F8	  F18 function key
       key_f19			     kf19	F9	  F19 function key
       key_f2			     kf2	k2	  F2 function key
       key_f20			     kf20	FA	  F20 function key
       key_f21			     kf21	FB	  F21 function key
       key_f22			     kf22	FC	  F22 function key
       key_f23			     kf23	FD	  F23 function key
       key_f24			     kf24	FE	  F24 function key
       key_f25			     kf25	FF	  F25 function key
       key_f26			     kf26	FG	  F26 function key
       key_f27			     kf27	FH	  F27 function key
       key_f28			     kf28	FI	  F28 function key
       key_f29			     kf29	FJ	  F29 function key
       key_f3			     kf3	k3	  F3 function key
       key_f30			     kf30	FK	  F30 function key
       key_f31			     kf31	FL	  F31 function key
       key_f32			     kf32	FM	  F32 function key
       key_f33			     kf33	FN	  F33 function key
       key_f34			     kf34	FO	  F34 function key
       key_f35			     kf35	FP	  F35 function key
       key_f36			     kf36	FQ	  F36 function key
       key_f37			     kf37	FR	  F37 function key
       key_f38			     kf38	FS	  F38 function key
       key_f39			     kf39	FT	  F39 function key
       key_f4			     kf4	k4	  F4 function key
       key_f40			     kf40	FU	  F40 function key
       key_f41			     kf41	FV	  F41 function key
       key_f42			     kf42	FW	  F42 function key
       key_f43			     kf43	FX	  F43 function key

       key_f44			     kf44	FY	  F44 function key
       key_f45			     kf45	FZ	  F45 function key
       key_f46			     kf46	Fa	  F46 function key
       key_f47			     kf47	Fb	  F47 function key
       key_f48			     kf48	Fc	  F48 function key
       key_f49			     kf49	Fd	  F49 function key
       key_f5			     kf5	k5	  F5 function key
       key_f50			     kf50	Fe	  F50 function key
       key_f51			     kf51	Ff	  F51 function key
       key_f52			     kf52	Fg	  F52 function key
       key_f53			     kf53	Fh	  F53 function key
       key_f54			     kf54	Fi	  F54 function key
       key_f55			     kf55	Fj	  F55 function key
       key_f56			     kf56	Fk	  F56 function key
       key_f57			     kf57	Fl	  F57 function key
       key_f58			     kf58	Fm	  F58 function key
       key_f59			     kf59	Fn	  F59 function key
       key_f6			     kf6	k6	  F6 function key
       key_f60			     kf60	Fo	  F60 function key
       key_f61			     kf61	Fp	  F61 function key
       key_f62			     kf62	Fq	  F62 function key
       key_f63			     kf63	Fr	  F63 function key
       key_f7			     kf7	k7	  F7 function key
       key_f8			     kf8	k8	  F8 function key
       key_f9			     kf9	k9	  F9 function key
       key_find 		     kfnd	@0	  find key
       key_help 		     khlp	%1	  help key
       key_home 		     khome	kh	  home key
       key_ic			     kich1	kI	  insert-character key
       key_il			     kil1	kA	  insert-line key
       key_left 		     kcub1	kl	  left-arrow key
       key_ll			     kll	kH	  lower-left key (home
       key_mark 		     kmrk	%2	  mark key
       key_message		     kmsg	%3	  message key
       key_move 		     kmov	%4	  move key
       key_next 		     knxt	%5	  next key
       key_npage		     knp	kN	  next-page key
       key_open 		     kopn	%6	  open key
       key_options		     kopt	%7	  options key
       key_ppage		     kpp	kP	  previous-page key
       key_previous		     kprv	%8	  previous key
       key_print		     kprt	%9	  print key
       key_redo 		     krdo	%0	  redo key
       key_reference		     kref	&1	  reference key
       key_refresh		     krfr	&2	  refresh key
       key_replace		     krpl	&3	  replace key
       key_restart		     krst	&4	  restart key
       key_resume		     kres	&5	  resume key
       key_right		     kcuf1	kr	  right-arrow key
       key_save 		     ksav	&6	  save key
       key_sbeg 		     kBEG	&9	  shifted begin key
       key_scancel		     kCAN	&0	  shifted cancel key
       key_scommand		     kCMD	*1	  shifted command key
       key_scopy		     kCPY	*2	  shifted copy key
       key_screate		     kCRT	*3	  shifted create key
       key_sdc			     kDC	*4	  shifted delete-character
       key_sdl			     kDL	*5	  shifted delete-line
       key_select		     kslt	*6	  select key
       key_send 		     kEND	*7	  shifted end key
       key_seol 		     kEOL	*8	  shifted clear-toend-of-line
       key_sexit		     kEXT	*9	  shifted exit key

       key_sf			     kind	kF	  scroll-forward key
       key_sfind		     kFND	*0	  shifted find key
       key_shelp		     kHLP	#1	  shifted help key
       key_shome		     kHOM	#2	  shifted home key
       key_sic			     kIC	#3	  shifted insert-character
       key_sleft		     kLFT	#4	  shifted left-arrow
       key_smessage		     kMSG	%a	  shifted message key
       key_smove		     kMOV	%b	  shifted move key
       key_snext		     kNXT	%c	  shifted next key
       key_soptions		     kOPT	%d	  shifted options key
       key_sprevious		     kPRV	%e	  shifted previous key
       key_sprint		     kPRT	%f	  shifted print key
       key_sr			     kri	kR	  scroll-backward key
       key_sredo		     kRDO	%g	  shifted redo key
       key_sreplace		     kRPL	%h	  shifted replace key
       key_sright		     kRIT	%i	  shifted right-arrow
       key_srsume		     kRES	%j	  shifted resume key
       key_ssave		     kSAV	!1	  shifted save key
       key_ssuspend		     kSPD	!2	  shifted suspend key
       key_stab 		     khts	kT	  set-tab key
       key_sundo		     kUND	!3	  shifted undo key
       key_suspend		     kspd	&7	  suspend key
       key_undo 		     kund	&8	  undo key
       key_up			     kcuu1	ku	  up-arrow key
       keypad_local		     rmkx	ke	  leave 'keyboard_transmit'
       keypad_xmit		     smkx	ks	  enter 'keyboard_transmit'
       lab_f0			     lf0	l0	  label on function
							  key f0 if not f0
       lab_f1			     lf1	l1	  label on function
							  key f1 if not f1
       lab_f10			     lf10	la	  label on function
							  key f10 if not f10
       lab_f2			     lf2	l2	  label on function
							  key f2 if not f2
       lab_f3			     lf3	l3	  label on function
							  key f3 if not f3
       lab_f4			     lf4	l4	  label on function
							  key f4 if not f4
       lab_f5			     lf5	l5	  label on function
							  key f5 if not f5
       lab_f6			     lf6	l6	  label on function
							  key f6 if not f6
       lab_f7			     lf7	l7	  label on function
							  key f7 if not f7
       lab_f8			     lf8	l8	  label on function
							  key f8 if not f8
       lab_f9			     lf9	l9	  label on function
							  key f9 if not f9
       label_format		     fln	Lf	  label format
       label_off		     rmln	LF	  turn off soft labels
       label_on 		     smln	LO	  turn on soft labels
       meta_off 		     rmm	mo	  turn off meta mode
       meta_on			     smm	mm	  turn on meta mode
							  (8th-bit on)
       micro_column_address	     mhpa	ZY	  Like column_address
							  in micro mode
       micro_down		     mcud1	ZZ	  Like cursor_down in
							  micro mode
       micro_left		     mcub1	Za	  Like cursor_left in
							  micro mode

       micro_right		     mcuf1	Zb	  Like cursor_right in
							  micro mode
       micro_row_address	     mvpa	Zc	  Like row_address #1
							  in micro mode
       micro_up 		     mcuu1	Zd	  Like cursor_up in
							  micro mode
       newline			     nel	nw	  newline (behave like
							  cr followed by lf)
       order_of_pins		     porder	Ze	  Match software bits
							  to print-head pins
       orig_colors		     oc 	oc	  Set all color pairs
							  to the original ones
       orig_pair		     op 	op	  Set default pair to
							  its original value
       pad_char 		     pad	pc	  padding char
							  (instead of null)
       parm_dch 		     dch	DC	  delete #1 characters
       parm_delete_line 	     dl 	DL	  delete #1 lines (P*)
       parm_down_cursor 	     cud	DO	  down #1 lines (P*)
       parm_down_micro		     mcud	Zf	  Like parm_down_cursor
 in micro mode
       parm_ich 		     ich	IC	  insert #1 characters
       parm_index		     indn	SF	  scroll forward #1
							  lines (P)
       parm_insert_line 	     il 	AL	  insert #1 lines (P*)
       parm_left_cursor 	     cub	LE	  move #1 characters
							  to the left (P)
       parm_left_micro		     mcub	Zg	  Like parm_left_cursor
 in micro mode
       parm_right_cursor	     cuf	RI	  move #1 characters
							  to the right (P*)
       parm_right_micro 	     mcuf	Zh	  Like parm_right_cursor
 in micro mode
       parm_rindex		     rin	SR	  scroll back #1 lines
       parm_up_cursor		     cuu	UP	  up #1 lines (P*)
       parm_up_micro		     mcuu	Zi	  Like parm_up_cursor
							  in micro mode
       pkey_key 		     pfkey	pk	  program function key
							  #1 to type string #2
       pkey_local		     pfloc	pl	  program function key
							  #1 to execute string
       pkey_xmit		     pfx	px	  program function key
							  #1 to transmit
							  string #2
       plab_norm		     pln	pn	  program label #1 to
							  show string #2
       print_screen		     mc0	ps	  print contents of
       prtr_non 		     mc5p	pO	  turn on printer for
							  #1 bytes
       prtr_off 		     mc4	pf	  turn off printer
       prtr_on			     mc5	po	  turn on printer
       pulse			     pulse	PU	  select pulse dialing
       quick_dial		     qdial	QD	  dial number #1 without
       remove_clock		     rmclk	RC	  remove clock
       repeat_char		     rep	rp	  repeat char #1 #2
							  times (P*)
       req_for_input		     rfi	RF	  send next input char
							  (for ptys)
       reset_1string		     rs1	r1	  reset string

       reset_2string		     rs2	r2	  reset string
       reset_3string		     rs3	r3	  reset string
       reset_file		     rf 	rf	  name of reset file
       restore_cursor		     rc 	rc	  restore cursor to
							  position of last
       row_address		     vpa	cv	  vertical position #1
							  absolute (P)
       save_cursor		     sc 	sc	  save current cursor
							  position (P)
       scroll_forward		     ind	sf	  scroll text up (P)
       scroll_reverse		     ri 	sr	  scroll text down (P)
       select_char_set		     scs	Zj	  Select character
							  set, #1
       set_attributes		     sgr	sa	  define video
							  attributes #1-#9
       set_background		     setb	Sb	  Set background color
       set_bottom_margin	     smgb	Zk	  Set bottom margin at
							  current line
       set_bottom_margin_parm	     smgbp	Zl	  Set bottom margin at
							  line #1 or (if smgtp
							  is not given) #2
							  lines from bottom
       set_clock		     sclk	SC	  set clock, #1 hrs #2
							  mins #3 secs
       set_color_pair		     scp	sp	  Set current color
							  pair to #1
       set_foreground		     setf	Sf	  Set foreground color
       set_left_margin		     smgl	ML	  set left soft margin
							  at current column.
	     See smgl.
							  (ML is not in BSD
       set_left_margin_parm	     smglp	Zm	  Set left (right)
							  margin at column #1
       set_right_margin 	     smgr	MR	  set right soft margin
 at current column

       set_right_margin_parm	     smgrp	Zn	  Set right margin at
							  column #1
       set_tab			     hts	st	  set a tab in every
							  row, current columns
       set_top_margin		     smgt	Zo	  Set top margin at
							  current line
       set_top_margin_parm	     smgtp	Zp	  Set top (bottom)
							  margin at row #1
       set_window		     wind	wi	  current window is
							  lines #1-#2 cols
       start_bit_image		     sbim	Zq	  Start printing bit
							  image graphics
       start_char_set_def	     scsd	Zr	  Start character set
							  definition #1, with
							  #2 characters in the
       stop_bit_image		     rbim	Zs	  Stop printing bit
							  image graphics
       stop_char_set_def	     rcsd	Zt	  End definition of
							  character set #1
       subscript_characters	     subcs	Zu	  List of subscriptable

       superscript_characters	     supcs	Zv	  List of superscriptable
       tab			     ht 	ta	  tab to next 8-space
							  hardware tab stop
       these_cause_cr		     docr	Zw	  Printing any of
							  these characters
							  causes CR
       to_status_line		     tsl	ts	  move to status line,
							  column #1
       tone			     tone	TO	  select touch tone
       underline_char		     uc 	uc	  underline char and
							  move past it
       up_half_line		     hu 	hu	  half a line up
       user0			     u0 	u0	  User string #0
       user1			     u1 	u1	  User string #1
       user2			     u2 	u2	  User string #2
       user3			     u3 	u3	  User string #3
       user4			     u4 	u4	  User string #4
       user5			     u5 	u5	  User string #5
       user6			     u6 	u6	  User string #6
       user7			     u7 	u7	  User string #7
       user8			     u8 	u8	  User string #8
       user9			     u9 	u9	  User string #9
       wait_tone		     wait	WA	  wait for dial-tone
       xoff_character		     xoffc	XF	  XOFF character
       xon_character		     xonc	XN	  XON character
       zero_motion		     zerom	Zx	  No motion for subsequent

       The following string capabilities are present in the SVr4.0 term structure,
 but were originally not documented in the man page.

	       Variable 	     Cap-	  TCap	       Description
		String		     name	  Code
       alt_scancode_esc 	     scesa	  S8	    Alternate escape
							    for scancode emulation

       bit_image_carriage_return     bicr	  Yv	    Move to beginning
							    of same row
       bit_image_newline	     binel	  Zz	    Move to next row
							    of the bit image
       bit_image_repeat 	     birep	  Xy	    Repeat bit image
							    cell #1 #2 times
       char_set_names		     csnm	  Zy	    Produce #1'th item
							    from list of character
 set names
       code_set_init		     csin	  ci	    Init sequence for
							    multiple codesets
       color_names		     colornm	  Yw	    Give name for
							    color #1
       define_bit_image_region	     defbi	  Yx	    Define rectangualar
 bit image
       device_type		     devt	  dv	    Indicate language/codeset

       display_pc_char		     dispc	  S1	    Display PC character
       end_bit_image_region	     endbi	  Yy	    End a bit-image
       enter_pc_charset_mode	     smpch	  S2	    Enter PC character
							    display mode

       enter_scancode_mode	     smsc	  S4	    Enter PC scancode
       exit_pc_charset_mode	     rmpch	  S3	    Exit PC character
							    display mode
       exit_scancode_mode	     rmsc	  S5	    Exit PC scancode
       get_mouse		     getm	  Gm	    Curses should get
							    button events,
							    parameter #1 not
       key_mouse		     kmous	  Km	    Mouse event has
       mouse_info		     minfo	  Mi	    Mouse status
       pc_term_options		     pctrm	  S6	    PC terminal
       pkey_plab		     pfxl	  xl	    Program function
							    key #1 to type
							    string #2 and show
							    string #3
       req_mouse_pos		     reqmp	  RQ	    Request mouse
       scancode_escape		     scesc	  S7	    Escape for scancode
       set0_des_seq		     s0ds	  s0	    Shift to code set
							    0 (EUC set 0,
       set1_des_seq		     s1ds	  s1	    Shift to code set
       set2_des_seq		     s2ds	  s2	    Shift to code set
       set3_des_seq		     s3ds	  s3	    Shift to code set
       set_a_background 	     setab	  AB	    Set background
							    color to #1, using
							    ANSI escape
       set_a_foreground 	     setaf	  AF	    Set foreground
							    color to #1, using
							    ANSI escape
       set_color_band		     setcolor	  Yz	    Change to ribbon
							    color #1
       set_lr_margin		     smglr	  ML	    Set both left and
							    right margins to
							    #1, #2.  (ML is
							    not in BSD termcap).

       set_page_length		     slines	  YZ	    Set page length to
							    #1 lines
       set_tb_margin		     smgtb	  MT	    Sets both top and
							    bottom margins to
							    #1, #2

	The  XSI Curses standard added these.  They are some post-4.1 versions
	of System V curses, e.g., Solaris 2.5 and IRIX 6.x.  The ncurses termcap
 names for them are invented; according to the XSI Curses standard,
	they have no termcap names.  If your  compiled	terminfo  entries  use
	these,	they  may  not	be  binary-compatible  with  System V terminfo
	entries after SVr4.1; beware!

		Variable	     Cap-	 TCap	      Description
		 String 	     name	 Code
	enter_horizontal_hl_mode     ehhlm	 Xh	  Enter horizontal
							  highlight mode

	enter_left_hl_mode	     elhlm	 Xl	  Enter left highlight
	enter_low_hl_mode	     elohlm	 Xo	  Enter low highlight
	enter_right_hl_mode	     erhlm	 Xr	  Enter right highlight
	enter_top_hl_mode	     ethlm	 Xt	  Enter top highlight
	enter_vertical_hl_mode	     evhlm	 Xv	  Enter vertical highlight
	set_a_attributes	     sgr1	 sA	  Define second set of
							  video attributes
	set_pglen_inch		     slength	 sL	  YI Set page length
							  to #1 hundredth of
							  an inch

   A Sample Entry    [Toc]    [Back]
       The following entry, describing an ANSI-standard terminal, is representative
  of  what a terminfo entry for a modern terminal typically looks

     ansi|ansi/pc-term compatible with color,
	     colors#8, ncv#3, pairs#64,
	     cub=\E[%p1%dD, cud=\E[%p1%dB, cuf=\E[%p1%dC,
	     cuu=\E[%p1%dA, dch=\E[%p1%dP, dl=\E[%p1%dM,
	     ech=\E[%p1%dX, el1=\E[1K, hpa=\E[%p1%dG, ht=\E[I,
	     ich=\E[%p1%d@, il=\E[%p1%dL, indn=\E[%p1%dS, .indn=\E[%p1%dT,
	     kbs=^H, kcbt=\E[Z, kcub1=\E[D, kcud1=\E[B,
	     kcuf1=\E[C, kcuu1=\E[A, kf1=\E[M, kf10=\E[V,
	     kf11=\E[W, kf12=\E[X, kf2=\E[N, kf3=\E[O, kf4=\E[P,
	     kf5=\E[Q, kf6=\E[R, kf7=\E[S, kf8=\E[T, kf9=\E[U,
	     kich1=\E[L, mc4=\E[4i, mc5=\E[5i, nel=\r\E[S,
	     op=\E[37;40m, rep=%p1%c\E[%p2%{1}%-%db,
	     rin=\E[%p1%dT, s0ds=\E(B, s1ds=\E)B, s2ds=\E*B,
	     s3ds=\E+B, setab=\E[4%p1%dm, setaf=\E[3%p1%dm,
	     sgr0=\E[0;10m, tbc=\E[2g, u6=\E[%d;%dR, u7=\E[6n,
	     u8=\E[?%[;0123456789]c, u9=\E[c, vpa=\E[%p1%dd,

       Entries may continue onto multiple lines by placing white space at  the
       beginning  of  each line except the first.  Comments may be included on
       lines beginning with ``#''.  Capabilities  in  terminfo	are  of  three
       types:  Boolean	capabilities which indicate that the terminal has some
       particular feature, numeric capabilities giving the size of the	terminal
  or	the  size of particular delays, and string capabilities, which
       give a sequence which can be used to perform particular terminal operations.

   Types of Capabilities    [Toc]    [Back]
       All capabilities have names.  For instance, the fact that ANSI-standard
       terminals have automatic margins (i.e., an automatic return  and  linefeed
  when the end of a line is reached) is indicated by the capability
       am.  Hence the description of ansi includes am.	 Numeric  capabilities
       are  followed  by  the  character  `#' and then a positive value.  Thus
       cols, which indicates the number of columns the terminal has, gives the
       value  `80' for ansi.  Values for numeric capabilities may be specified
       in decimal, octal or hexadecimal, using the C programming language conventions
 (e.g., 255, 0377 and 0xff or 0xFF).

       Finally,  string  valued capabilities, such as el (clear to end of line
       sequence) are given by the two-character  code,	an  `=',  and  then  a
       string ending at the next following `,'.

       A number of escape sequences are provided in the string valued capabilities
 for easy encoding of characters there.  Both \E and \e map to  an
       ESCAPE character, ^x maps to a control-x for any appropriate x, and the
       sequences \n \l \r \t \b \f \s give a newline, line-feed, return,  tab,
       backspace,  form-feed,  and  space.  Other escapes include \^ for ^, \\
       for \, \, for comma, \: for :, and \0 for null.	(\0 will produce \200,
       which  does  not  terminate a string but behaves as a null character on
       most terminals, providing CS7 is specified.   See  stty(1).)   Finally,
       characters may be given as three octal digits after a \.

       A  delay  in  milliseconds  may appear anywhere in a string capability,
       enclosed in $<..> brackets, as in el=\EK$<5>,  and  padding  characters
       are  supplied by tputs to provide this delay.  The delay must be a number
 with at most one decimal place of precision; it may be followed  by
       suffixes `*' or '/' or both.  A `*' indicates that the padding required
       is proportional to the number of lines affected by the  operation,  and
       the  amount  given  is the per-affected-unit padding required.  (In the
       case of insert character, the factor  is  still	the  number  of  lines
       affected.)   Normally,  padding	is  advisory if the device has the xon
       capability; it is used  for  cost  computation  but  does  not  trigger
       delays.	 A  `/'  suffix  indicates  that  the padding is mandatory and
       forces a delay of the given number of milliseconds even on devices  for
       which xon is present to indicate flow control.

       Sometimes  individual  capabilities must be commented out.  To do this,
       put a period before the capability name.  For example, see  the	second
       ind in the example above.

   Fetching Compiled Descriptions    [Toc]    [Back]
       If  the	environment variable TERMINFO is set, it is interpreted as the
       pathname of a directory containing the  compiled  description  you  are
       working on.  Only that directory is searched.

       If TERMINFO is not set, the ncurses version of the terminfo reader code
       will instead look in  the  directory  $HOME/.terminfo  for  a  compiled
       description.   If it fails to find one there, and the environment variable
 TERMINFO_DIRS is set, it will interpret the contents of that variable
 as a list of colon- separated directories to be searched (an empty
       entry is interpreted as a command to search  /usr/share/terminfo).   If
       no  description	is  found in any of the TERMINFO_DIRS directories, the
       fetch fails.

       If neither TERMINFO nor TERMINFO_DIRS is set, the last place tried will
       be the system terminfo directory, /usr/share/terminfo.

       (Neither  the  $HOME/.terminfo lookups nor TERMINFO_DIRS extensions are
       supported under stock System V terminfo/curses.)

   Preparing Descriptions    [Toc]    [Back]
       We now outline how to prepare  descriptions  of	terminals.   The  most
       effective  way  to  prepare  a terminal description is by imitating the
       description of a similar  terminal  in  terminfo  and  to  build  up  a
       description gradually, using partial descriptions with vi or some other
       screen-oriented program to check that they are correct.	Be aware  that
       a  very	unusual terminal may expose deficiencies in the ability of the
       terminfo file to describe it or bugs in the screen-handling code of the
       test program.

       To  get the padding for insert line right (if the terminal manufacturer
       did not document it) a severe test is to edit  a  large	file  at  9600
       baud, delete 16 or so lines from the middle of the screen, then hit the
       `u' key several times quickly.  If the terminal messes up, more padding
       is usually needed.  A similar test can be used for insert character.

   Basic Capabilities    [Toc]    [Back]
       The  number  of	columns  on each line for the terminal is given by the
       cols numeric capability.  If the terminal is a CRT, then the number  of
       lines  on the screen is given by the lines capability.  If the terminal
       wraps around to the beginning of the next  line	when  it  reaches  the
       right  margin,  then it should have the am capability.  If the terminal
       can clear its screen, leaving the cursor in  the  home  position,  then
       this  is  given	by the clear string capability.  If the terminal overstrikes
 (rather than clearing a position when  a  character  is	struck
       over)  then  it	should	have  the os capability.  If the terminal is a
       printing terminal, with no soft copy unit, give it both hc and os.  (os
       applies	to  storage scope terminals, such as TEKTRONIX 4010 series, as
       well as hard copy and APL terminals.)  If there is a code to  move  the
       cursor to the left edge of the current row, give this as cr.  (Normally
       this will be carriage return, control M.)  If there is a code  to  produce
 an audible signal (bell, beep, etc) give this as bel.

       If there is a code to move the cursor one position to the left (such as
       backspace) that capability should be given as cub1.   Similarly,  codes
       to  move  to the right, up, and down should be given as cuf1, cuu1, and
       cud1.  These local cursor motions should not alter the text  they  pass
       over,  for  example,  you  would  not normally use `cuf1= ' because the
       space would erase the character moved over.

       A very important point here is that the local cursor motions encoded in
       terminfo  are  undefined  at  the left and top edges of a CRT terminal.
       Programs should never attempt to backspace around the left edge, unless
       bw  is given, and never attempt to go up locally off the top.  In order
       to scroll text up, a program will go to the bottom left corner  of  the
       screen and send the ind (index) string.

       To  scroll  text  down,	a  program  goes to the top left corner of the
       screen and sends the ri (reverse index) string.	The strings ind and ri
       are undefined when not on their respective corners of the screen.

       Parameterized  versions	of  the  scrolling  sequences are indn and rin
       which have the same semantics as ind and ri except that they  take  one
       parameter,  and scroll that many lines.	They are also undefined except
       at the appropriate edge of the screen.

       The am capability tells whether the cursor sticks at the right edge  of
       the  screen when text is output, but this does not necessarily apply to
       a cuf1 from the last column.  The only local motion  which  is  defined
       from  the  left	edge is if bw is given, then a cub1 from the left edge
       will move to the right edge of the previous row.  If bw is  not	given,
       the  effect  is undefined.  This is useful for drawing a box around the
       edge of the screen, for example.  If the terminal has switch selectable
       automatic  margins,  the terminfo file usually assumes that this is on;
       i.e., am.  If the terminal has a command which moves to the first  column
  of	the next line, that command can be given as nel (newline).  It
       does not matter if the command clears  the  remainder  of  the  current
       line,  so  if the terminal has no cr and lf it may still be possible to
       craft a working nel out of one or both of them.

       These capabilities suffice to describe hard-copy and "glass-tty" terminals.
  Thus the model 33 teletype is described as

     33|tty33|tty|model 33 teletype,
     bel=^G, cols#72, cr=^M, cud1=^J, hc, ind=^J, os,

       while the Lear Siegler ADM-3 is described as

     adm3|3|lsi adm3,
     am, bel=^G, clear=^Z, cols#80, cr=^M, cub1=^H, cud1=^J,
     ind=^J, lines#24,

   Parameterized Strings    [Toc]    [Back]
       Cursor  addressing and other strings requiring parameters in the terminal
 are described by a parameterized string capability, with printf(3S)
       like  escapes  %x  in  it.  For example, to address the cursor, the cup
       capability is given, using  two	parameters:  the  row  and  column  to
       address	to.  (Rows and columns are numbered from zero and refer to the
       physical screen visible to the user, not to any unseen memory.)	If the
       terminal  has  memory relative cursor addressing, that can be indicated
       by mrcup.

       The parameter mechanism uses a stack and special % codes to  manipulate
       it.   Typically	a  sequence  will  push one of the parameters onto the
       stack and then print it in some format.	Often more complex  operations
       are necessary.

       The % encodings have the following meanings:

	    %%	      outputs `%'
		      as in printf, flags are [-+#] and space
	    %c	      print pop() like %c in printf()
	    %s	      print pop() like %s in printf()

	    %p[1-9]   push i'th parm
	    %P[a-z]   set dynamic variable [a-z] to pop()
	    %g[a-z]   get dynamic variable [a-z] and push it
	    %P[A-Z]   set static variable [a-z] to pop()
	    %g[A-Z]   get static variable [a-z] and push it
	    %'c'      char constant c
	    %{nn}     integer constant nn
	    %l	      push strlen(pop)

	    %+ %- %* %/ %m
		      arithmetic (%m is mod): push(pop() op pop())
	    %& %| %^  bit operations: push(pop() op pop())
	    %= %> %<  logical operations: push(pop() op pop())
	    %A, %O    logical and & or operations (for conditionals)
	    %! %~     unary operations push(op pop())
	    %i	      add 1 to first two parameters (for ANSI terminals)

	    %? expr %t thenpart %e elsepart %;
		      if-then-else, %e elsepart is optional.
		      else-if's are possible a la Algol 68:
		      %? c1 %t b1 %e c2 %t b2 %e c3 %t b3 %e c4 %t b4 %e %;
		      ci are conditions, bi are bodies.

       Binary  operations  are	in postfix form with the operands in the usual
       order.  That is, to get x-5 one would use "%gx%{5}%-".  %P and %g variables
 are persistent across escape-string evaluations.

       Consider  the HP2645, which, to get to row 3 and column 12, needs to be
       sent \E&a12c03Y padded for 6 milliseconds.  Note that the order of  the
       rows  and  columns  is  inverted  here, and that the row and column are
       printed	 as   two   digits.	Thus	its    cup    capability    is

       The  Microterm ACT-IV needs the current row and column sent preceded by
       a  ^T,  with  the  row	and   column   simply	encoded   in   binary,
       "cup=^T%p1%c%p2%c".   Terminals	which  use  "%c"  need	to  be able to
       backspace the cursor (cub1), and to move the cursor up one line on  the
       screen  (cuu1).	 This  is  necessary  because it is not always safe to
       transmit \n ^D and \r, as the system may change or discard them.   (The
       library	routines  dealing with terminfo set tty modes so that tabs are
       never expanded, so \t is safe to send.  This turns out to be  essential
       for the Ann Arbor 4080.)

       A  final example is the LSI ADM-3a, which uses row and column offset by
       a blank character, thus "cup=\E=%p1%' '%+%c%p2%' '%+%c".  After sending
       `\E=',  this  pushes  the first parameter, pushes the ASCII value for a
       space (32), adds them (pushing the sum on the stack in place of the two
       previous  values) and outputs that value as a character.  Then the same
       is done for the second parameter.  More complex arithmetic is  possible
       using the stack.

   Cursor Motions    [Toc]    [Back]
       If  the	terminal has a fast way to home the cursor (to very upper left
       corner of screen) then this can be given as home; similarly a fast  way
       of  getting  to the lower left-hand corner can be given as ll; this may
       involve going up with cuu1 from the home position, but a program should
       never do this itself (unless ll does) because it can make no assumption
       about the effect of moving up from the home position.   Note  that  the
       home  position is the same as addressing to (0,0): to the top left corner
 of the screen, not of memory.  (Thus, the \EH sequence on HP terminals
 cannot be used for home.)

       If the terminal has row or column absolute cursor addressing, these can
       be given as single  parameter  capabilities  hpa  (horizontal  position
       absolute)  and  vpa  (vertical position absolute).  Sometimes these are
       shorter than the more general  two  parameter  sequence	(as  with  the
       hp2645)	and can be used in preference to cup.  If there are parameterized
 local motions (e.g., move n spaces to  the	right)	these  can  be
       given  as cud, cub, cuf, and cuu with a single parameter indicating how
       many spaces to move.  These are primarily useful if the	terminal  does
       not have cup, such as the TEKTRONIX 4025.

       If  the	terminal  needs to be in a special mode when running a program
       that uses these capabilities, the codes to enter and exit this mode can
       be  given as smcup and rmcup.  This arises, for example, from terminals
       like the Concept with more than one page of memory.   If  the  terminal
       has only memory relative cursor addressing and not screen relative cursor
 addressing, a one screen-sized window must be fixed into the terminal
  for cursor addressing to work properly.  This is also used for the
       TEKTRONIX 4025, where smcup sets the command character to  be  the  one
       used  by  terminfo.   If the smcup sequence will not restore the screen
       after an rmcup sequence is output (to the  state  prior	to  outputting
       rmcup), specify nrrmc.

   Area Clears    [Toc]    [Back]
       If  the	terminal can clear from the current position to the end of the
       line, leaving the cursor where it is, this should be given as  el.   If
       the  terminal  can  clear from the beginning of the line to the current
       position inclusive, leaving the cursor where  it  is,  this  should  be
       given  as  el1.	If the terminal can clear from the current position to
       the end of the display, then this should be given as ed.   Ed  is  only
       defined from the first column of a line.  (Thus, it can be simulated by
       a request to delete a large number of lines, if a true ed is not available.)

   Insert/delete line and vertical motions
       If  the	terminal  can  open a new blank line before the line where the
       cursor is, this should be given as il1; this  is  done  only  from  the
       first  position	of  a  line.  The cursor must then appear on the newly
       blank line.  If the terminal can delete the line which  the  cursor  is
       on,  then this should be given as dl1; this is done only from the first
       position on the line to be deleted.  Versions of il1 and dl1 which take
       a single parameter and insert or delete that many lines can be given as
       il and dl.

       If the terminal has a settable scrolling region (like  the  vt100)  the
       command	to  set  this  can be described with the csr capability, which
       takes two parameters: the top and bottom lines of the scrolling region.
       The cursor position is, alas, undefined after using this command.

       It  is possible to get the effect of insert or delete line using csr on
       a properly chosen region; the sc and rc (save and restore cursor)  commands
  may  be  useful for ensuring that your synthesized insert/delete
       string does not move the cursor.  (Note that  the  ncurses(3X)  library
       does   this   synthesis	 automatically,   so   you  need  not  compose
       insert/delete strings for an entry with csr).

       Yet another way to construct insert and delete might be to use a combination
  of  index  with the memory-lock feature found on some terminals
       (like the HP-700/90 series, which however also has insert/delete).

       Inserting lines at the top or bottom of the screen  can	also  be  done
       using  ri  or  ind on many terminals without a true insert/delete line,
       and is often faster even on terminals with those features.

       The boolean non_dest_scroll_region should be set if each scrolling window
  is	effectively a view port on a screen-sized canvas.  To test for
       this capability, create a scrolling region in the middle of the screen,
       write  something  to the bottom line, move the cursor to the top of the
       region, and do ri followed by dl1 or ind.  If the data scrolled off the
       bottom  of  the	region	by  the  ri re-appears, then scrolling is nondestructive.
  System V and XSI Curses expect that ind,  ri,  indn,  and
       rin  will  simulate destructive scrolling; their documentation cautions
       you not to define csr unless this is true.  This curses	implementation
       is more liberal and will do explicit erases after scrolling if ndstr is

       If the terminal has the ability to define a window as part  of  memory,
       which  all  commands  affect,  it  should be given as the parameterized
       string wind.  The four parameters are the starting and ending lines  in
       memory and the starting and ending columns in memory, in that order.

       If the terminal can retain display memory above, then the da capability
       should be given; if display memory  can	be  retained  below,  then  db
       should  be given.  These indicate that deleting a line or scrolling may
       bring non-blank lines up from below or that scrolling back with ri  may
       bring down non-blank lines.

   Insert/Delete Character
       There  are  two	basic  kinds  of intelligent terminals with respect to
       insert/delete character which can be  described	using  terminfo.   The
       most  common insert/delete character operations affect only the characters
 on the current line and shift characters off the end of  the  line
       rigidly.  Other terminals, such as the Concept 100 and the Perkin Elmer
       Owl, make a distinction between typed and untyped blanks on the screen,
       shifting  upon  an  insert  or  delete  only to an untyped blank on the
       screen which is either eliminated, or expanded to two  untyped  blanks.
       You  can determine the kind of terminal you have by clearing the screen
       and then typing text separated by cursor  motions.   Type  "abc	  def"
       using  local  cursor  motions  (not  spaces)  between the "abc" and the
       "def".  Then position the cursor before the "abc" and put the  terminal
       in  insert  mode.   If typing characters causes the rest of the line to
       shift rigidly and characters to fall off the end,  then	your  terminal
       does  not  distinguish  between	blanks	and untyped positions.	If the
       "abc" shifts over to the "def" which then move together around the  end
       of  the current line and onto the next as you insert, you have the second
 type of terminal, and should give the capability in,  which	stands
       for  "insert  null".  While these are two logically separate attributes
       (one line versus multi-line  insert  mode,  and	special  treatment  of
       untyped	spaces)  we have seen no terminals whose insert mode cannot be
       described with the single attribute.

       Terminfo can describe both terminals which have	an  insert  mode,  and
       terminals  which send a simple sequence to open a blank position on the
       current line.  Give as smir the sequence to get into insert mode.  Give
       as  rmir  the  sequence	to  leave  insert  mode.  Now give as ich1 any
       sequence needed to be sent just before  sending	the  character	to  be
       inserted.   Most  terminals with a true insert mode will not give ich1;
       terminals which send a sequence to open a screen position  should  give
       it here.

       If  your  terminal has both, insert mode is usually preferable to ich1<

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