usr/src/sys/vaxuba/pdma.h

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)pdma.h      7.1 (Berkeley) 6/5/86
 */

struct pdma {
        struct  dzdevice *p_addr;
        char    *p_mem;
        char    *p_end;
        int     p_arg;
        int     (*p_fcn)();
};