usr/src/bin/csh/dir.h

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley Software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)dir.h       5.2 (Berkeley) %G%
 */

/*
 * Structure for entries in directory stack.
 */
struct  directory       {
        struct  directory *di_next;     /* next in loop */
        struct  directory *di_prev;     /* prev in loop */
        unsigned short *di_count;       /* refcount of processes */
        char    *di_name;               /* actual name */
};
struct directory *dcwd;         /* the one we are in now */