usr/src/usr.bin/window/xx.h

/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Edward Wang at The University of California, Berkeley.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)xx.h        8.1 (Berkeley) %G%
 */

struct xx {
        enum { xc_move, xc_scroll, xc_inschar, xc_insspace, xc_delchar,
                xc_clear, xc_clreos, xc_clreol, xc_write } cmd;
        int arg0;
        int arg1;
        int arg2;
        int arg3;
        char *buf;
        struct xx *link;
};

struct xx *xxalloc();

struct xx *xx_head, *xx_tail;
struct xx *xx_freelist;

char *xxbuf, *xxbufp, *xxbufe;
int xxbufsize;

#define char_sep '\0'