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- /* 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 */
-