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EDITC80
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ED1.H
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C/C++ Source or Header
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2000-06-30
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3KB
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135 lines
/* Screen editor: non-user defined globals
*
* Source: ed1.h
* Version: May 15, 1980.
*/
/* Define global constants */
/* Define constants describing a text line */
#define MAXLEN 133 /* max chars per line */
#define MAXLEN1 134 /* MAXLEN + 1 */
/* Define operating system constants */
#define SYSFNMAX 15 /* CP/M file name length + 1 */
/* Define misc. constants */
#define EOS 0 /* code sometimes assumes \0 */
#define ERR -1 /* must be same as ERROR */
#define YES 1 /* must be nonzero */
#define NO 0
#define CR 13 /* carriage return */
#define LF 10 /* line feed */
#define TAB 9 /* tab character */
#define HUGE 32000 /* practical infinity */
#define OK 1
#define EOF -1
/*
Screen editor: special key definitions
This file was created by the configuration program:
Version 2: September 6, 1981.
*/
/*
Define which keys are used for special edit functions.
*/
#define UP1 21
#define DOWN1 13
#define UP2 11
#define DOWN2 10
#define LEFT1 8
#define RIGHT1 12
#define INS1 14
#define EDIT1 5
#define ESC1 27
#define DEL1 127
#define ZAP1 26
#define ABT1 24
#define SPLT1 19
#define JOIN1 16
/*
Define length and width of screen and printer.
*/
#define SCRNW 80
#define SCRNW1 79
#define SCRNL 24
#define SCRNL1 23
#define SCRNL2 22
#define LISTW 80
/*
* Screen editor: external definitions
*
* Version: August 8, 1982.
*
*/
#ifndef EXTERN
#define EXTERN extern
#endif
/* define flag for startup of editor -- ed2.c */
EXTERN int startup; /* flag for editor startup */
EXTERN int argcount; /* global argc */
EXTERN char sname[SYSFNMAX]; /* command line filename */
/* define statics for the command module -- ed3.c */
EXTERN char filename[SYSFNMAX]; /* file name for (re)save */
/* define statics for the window module -- ed4.c */
EXTERN char editbuf[MAXLEN]; /* the edit buffer */
EXTERN int editp; /* cursor: buffer index */
EXTERN int editpmax; /* length of buffer */
EXTERN int edcflag; /* buffer change flag */
/* define statics for the format module -- ed5.c */
EXTERN int fmttab; /* max length of tab character */
EXTERN int fmtdev; /* device -- YES/NO = LIST/CONSOLE */
EXTERN int fmtwidth; /* devide width. LISTW/SCRNW1 */
/* fmtcol[i] is the first column at which buf[i] is printed.
* fmtsub() and fmtlen() assume fmtcol[] is valid on entry.
*/
EXTERN int fmtcol[MAXLEN1];
/* define statics for the terminal module -- ed6.c */
EXTERN int outx, outy; /* coordinates of the cursor */
/* define statics for the prompt line module -- ed7.c */
EXTERN char pmtln[MAXLEN]; /* mode */
EXTERN char pmtfn[SYSFNMAX]; /* file name */
/* define statics for the operating system module -- ed8.c */
EXTERN int iormode; /* 'r' if file is read mode */
/* define statics for the buffer module -- ed10.c */
/*
* buffer[] must be the last external variable and it must
* have a nonzero dimension.
*/
EXTERN int bufcflag; /* main buffer changed flag */
EXTERN char *bufp; /* start of current line */
EXTERN char *bufpmax; /* end of last line */
EXTERN char *buffer; /* start of buffer */
EXTERN char *bufend; /* last byte of buffer */
EXTERN int bufline; /* current line number */
EXTERN int bufmaxln; /* number of lines in buffer */