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Annotation of researchv10no/cmd/worm/scsi/tcl/sprite.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * sprite.h --
        !             3:  *
        !             4:  * Common constants and type declarations for Sprite.
        !             5:  *
        !             6:  * Copyright 1985, 1988 Regents of the University of California
        !             7:  * Permission to use, copy, modify, and distribute this
        !             8:  * software and its documentation for any purpose and without
        !             9:  * fee is hereby granted, provided that the above copyright
        !            10:  * notice appear in all copies.  The University of California
        !            11:  * makes no representations about the suitability of this
        !            12:  * software for any purpose.  It is provided "as is" without
        !            13:  * express or implied warranty.
        !            14:  *
        !            15:  * $Header: /sprite/src/lib/include/RCS/sprite.h,v 1.6 89/09/08 16:27:43 mgbaker Exp $ SPRITE (Berkeley)
        !            16:  */
        !            17: 
        !            18: #ifndef _SPRITE
        !            19: #define _SPRITE
        !            20: 
        !            21: /*
        !            22:  * A boolean type is defined as an integer, not an enum. This allows a
        !            23:  * boolean argument to be an expression that isn't strictly 0 or 1 valued.
        !            24:  */
        !            25: 
        !            26: #ifndef TRUE
        !            27: #define TRUE   1
        !            28: #endif
        !            29: #ifndef FALSE
        !            30: #define FALSE  0
        !            31: #endif
        !            32: 
        !            33: #ifndef _ASM
        !            34: typedef int Boolean;
        !            35: 
        !            36: /*
        !            37:  * Functions that must return a status can return a ReturnStatus to
        !            38:  * indicate success or type of failure.
        !            39:  */
        !            40: 
        !            41: typedef int  ReturnStatus;
        !            42: #endif /* _ASM */
        !            43: 
        !            44: /*
        !            45:  * The following statuses overlap with the first 2 generic statuses 
        !            46:  * defined in status.h:
        !            47:  *
        !            48:  * SUCCESS                     There was no error.
        !            49:  * FAILURE                     There was a general error.
        !            50:  */
        !            51: 
        !            52: #define        SUCCESS                 0x00000000
        !            53: #define        FAILURE                 0x00000001
        !            54: 
        !            55: 
        !            56: /*
        !            57:  * A nil pointer must be something that will cause an exception if 
        !            58:  * referenced.  There are two nils: the kernels nil and the nil used
        !            59:  * by user processes.
        !            60:  */
        !            61: 
        !            62: #define NIL            0xFFFFFFFF
        !            63: #define USER_NIL       0
        !            64: #ifndef NULL
        !            65: #define NULL           0
        !            66: #endif
        !            67: 
        !            68: #ifndef _ASM
        !            69: /*
        !            70:  * An address is just a pointer in C.  It is defined as a character pointer
        !            71:  * so that address arithmetic will work properly, a byte at a time.
        !            72:  */
        !            73: 
        !            74: typedef char *Address;
        !            75: 
        !            76: /*
        !            77:  * ClientData is an uninterpreted word.  It is defined as an int so that
        !            78:  * kdbx will not interpret client data as a string.  Unlike an "Address",
        !            79:  * client data will generally not be used in arithmetic.
        !            80:  */
        !            81: 
        !            82: #ifndef _CLIENTDATA
        !            83: typedef int *ClientData;
        !            84: #define _CLIENTDATA
        !            85: #endif
        !            86: 
        !            87: #ifndef __STDC__
        !            88: #define volatile
        !            89: #define const
        !            90: #endif
        !            91: #endif /* _ASM */
        !            92: 
        !            93: 
        !            94: #endif /* _SPRITE */

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