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Annotation of researchv10no/cmd/worm/scsi/tcl/sprite.h, revision 1.1.1.1

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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