distribution by Mark Nudleman

[unix-history] / usr / src / usr.bin / more / less.h

/*
* Copyright (c) 1988 Mark Nudleman
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Mark Nudleman.
* 
* 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.
*
*      @(#)less.h      5.1 (Berkeley) %G%
*/

/*
* Standard include file for "less".
*/

/*
* Include the file of compile-time options.
*/
#include "defines.h"

/*
* Language details.
*/
#if !VOID
#define void  int
#endif
#define public          /* PUBLIC FUNCTION */

/*
* Special types and constants.
*/
typedef long            POSITION;
/*
* {{ Warning: if POSITION is changed to other than "long",
*    you may have to change some of the printfs which use "%ld"
*    to print a variable of type POSITION. }}
*/

#define NULL_POSITION   ((POSITION)(-1))

/*
* The type of signal handler functions.
* Usually int, although it should be void.
*/
typedef int             HANDLER;


#define FILENAME        128     /* Max size of a filename */

#define EOI             (0)
#ifndef NULL
#define NULL            (0)
#endif

#define READ_INTR       (-2)

/* How quiet should we be? */
#define NOT_QUIET       0       /* Ring bell at eof and for errors */
#define LITTLE_QUIET    1       /* Ring bell only for errors */
#define VERY_QUIET      2       /* Never ring bell */

/* How should we prompt? */
#define PR_SHORT        0       /* Prompt with colon */
#define PR_MEDIUM       1       /* Prompt with message */
#define PR_LONG         2       /* Prompt with longer message */

/* How should we handle backspaces? */
#define BS_SPECIAL      0       /* Do special things for underlining and bold */
#define BS_NORMAL       1       /* \b treated as normal char; actually output */
#define BS_CONTROL      2       /* \b treated as control char; prints as ^H */

/* Special chars used to tell put_line() to do something special */
#define UL_CHAR         '\201'  /* Enter underline mode */
#define UE_CHAR         '\202'  /* Exit underline mode */
#define BO_CHAR         '\203'  /* Enter boldface mode */
#define BE_CHAR         '\204'  /* Exit boldface mode */

#define CONTROL(c)              ((c)&037)
#define SIGNAL(sig,func)        signal(sig,func)

/* Library function declarations */
offset_t lseek();
char *calloc();

#include "funcs.h"