.ref-BSD-1/ex-1.1/ex.h

#define VISUAL
/*
 * Ex - text editor
 * Bill Joy UCB June 1977
 *
 * Based on an earlier editor "ex" written by
 * William Joy and Charles Haley.
 *
 * And of course an inestimable debt to "ed"!
 */

#define STATIC
#define CHAR

#define NIL     0
#define QUOTE   0200

#define HUP     1
#define INTR    2
#define QUIT    3

#define FNSIZE  64
#define LBSIZE  512

#define EOF     -1

char    ruptible, inglobal, inopen, inconf, listf, endline, laste, intty;
char    shudclob, diddle, die;

int     chngflag, xchngflag, tchngflag;

char    /* savedfile[FNS, */ file[FNSIZE], altfile[FNSIZE];
char    linebuf[LBSIZE], genbuf[LBSIZE];

int     *address(), *addr1, *addr2;
int     *zero, *one, *dot, *dol, *unddol, *endcore, *fendcore;
int     *unddel, *undap1, *undap2, *undadot;
char    undkind;

#define UNDCHANGE       0
#define UNDMOVE         1
#define UNDALL          2
#define UNDNONE         3

int     io, erfile, tfile;
char    *globp, *erpath;
int     names[27];
int     outcol;
char    home[30];
char    *Command;

int     getfile(), gettty(), getchar(), getsub();


#include "ex_vars.h"

#define eq(a, b)        (strcmp(a, b) == 0)

#define CTRL(c) ('c' & 037)

#define ECHO    010
#define RAW     040

char    normtty;
int     normf;
struct {
        int     fildes;
        int     nunused;
        char    *xfree;
        char    buff[512];
} obuf;
int     oldhup, onhup(), oldquit, onintr();

struct {
        int     Atime[2];
        int     Auid;
        int     Alines;
        int     Afname[FNSIZE];
        int     Ablocks[100];
} header;

#define savedfile       header.Afname
#define blocks          header.Ablocks

int     dirtcnt;

char    recov;

char    TTYNAM[];
int     TMODE;

int     lastc, peekc;
#define lastchar()      lastc
#define setlastchar(c)  lastc = c
#define ungetchar(c)    peekc = c

char    aiflag;
#define setai(i)        aiflag = i

int     pid, rpid, status, tty[3];
char    allredraw, pfast;
int     mask, vcntcol;