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Annotation of Net2/sys/rlist.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1992 William Jolitz. All rights reserved.
        !             3:  * Written by William Jolitz 1/92
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are freely permitted
        !             6:  * provided that the above copyright notice and attribution and date of work
        !             7:  * and this paragraph are duplicated in all such forms.
        !             8:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !             9:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            10:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            11:  *
        !            12:  * Resource lists.
        !            13:  *
        !            14:  *     Usage:
        !            15:  *             rlist_free(&swapmap, 100, 200); add space to swapmap
        !            16:  *             rlist_alloc(&swapmap, 100, &loc); obtain 100 sectors from swap
        !            17:  * $Header: /cvsroot/src/sys/sys/Attic/rlist.h,v 1.1.1.1 1993/03/21 09:45:40 cgd Exp $
        !            18:  */
        !            19: 
        !            20: /* A resource list element. */
        !            21: struct rlist {
        !            22:        unsigned        rl_start;       /* boundaries of extent - inclusive */
        !            23:        unsigned        rl_end;         /* boundaries of extent - inclusive */
        !            24:        struct rlist    *rl_next;       /* next list entry, if present */
        !            25: };
        !            26: 
        !            27: /* Functions to manipulate resource lists.  */
        !            28: extern rlist_free __P((struct rlist **, unsigned, unsigned));
        !            29: int rlist_alloc __P((struct rlist **, unsigned, unsigned *));
        !            30: extern rlist_destroy __P((struct rlist **));
        !            31: 
        !            32: 
        !            33: /* heads of lists */
        !            34: struct rlist *swapmap;

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