4b87c0a7a684a1ec92afe7398ad77627d5bcdb5b
* Copyright (c) 1983 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* @(#)tt.h 3.22 (Berkeley) %G%
* Interface structure for the terminal drivers.
/* startup and cleanup */
int (*tt_write
)(); /* write a whole block */
int (*tt_putc
)(); /* write one character */
int (*tt_setscroll
)(); /* set scrolling region */
int (*tt_setinsert
)(); /* set insert mode */
int (*tt_setmodes
)(); /* set display modes */
int (*tt_set_token
)(); /* define a token */
int (*tt_put_token
)(); /* refer to a defined token */
char tt_modes
; /* the current display modes */
char tt_nmodes
; /* the new modes for next write */
char tt_insert
; /* currently in insert mode */
char tt_ninsert
; /* insert mode on next write */
int tt_row
; /* cursor row */
int tt_col
; /* cursor column */
int tt_scroll_top
; /* top of scrolling region */
int tt_scroll_bot
; /* bottom of scrolling region */
int tt_nrow
; /* number of display rows */
int tt_ncol
; /* number of display columns */
char tt_availmodes
; /* the display modes supported */
char tt_wrap
; /* has auto wrap around */
char tt_retain
; /* can retain below (db flag) */
int tt_ntoken
; /* number of compression tokens */
int tt_token_min
; /* minimun token size */
int tt_token_max
; /* maximum token size */
int tt_set_token_cost
; /* cost in addition to string */
int tt_put_token_cost
; /* constant cost */
/* the frame characters */
* List of terminal drivers.
extern struct tt_tab tt_tab
[];
* Clean interface to termcap routines.
char tt_strings
[1024]; /* string buffer */
char *tt_strp
; /* pointer for it */
struct tt_str
*tttgetstr();
struct tt_str
*ttxgetstr(); /* tgetstr() and expand delays */
#define tttputs(s, n) tputs((s)->ts_str, (n), tttputc)
#define ttxputs(s) ttwrite((s)->ts_str, (s)->ts_n)
* Buffered output without stdio.
* These variables have different meanings from the ww_ob* variabels.
* But I'm too lazy to think up different names.
#define ttputc(c) (tt_obp < tt_obe ? (*tt_obp++ = (c)) \
: (ttflush(), *tt_obp++ = (c)))