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Annotation of researchv10no/cmd/odist/pax/include/align.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * AT&T Bell Laboratories
        !             3:  * alignment and pointer pun definitions
        !             4:  * : : generated by mkhdr and  genhdr : :
        !             5:  */
        !             6: 
        !             7: #ifndef __ALIGN_H__
        !             8: #define __ALIGN_H__
        !             9: 
        !            10: typedef unsigned long INTEGRAL;
        !            11: 
        !            12: #define CHUNK          8192
        !            13: #define INTEGRAL       long
        !            14: #define INTEGER(x)     ((INTEGRAL)(x))
        !            15: #define POINTER(x)     ((char*)(x))
        !            16: #define ROUND(x,y)     POINTER(INTEGER((x)+(y)-1)&~((y)-1))
        !            17: 
        !            18: #define BOUND          BOUND2
        !            19: #define ALIGN(x)       ALIGN2(x)
        !            20: #define TRUNC(x)       TRUNC2(x)
        !            21: 
        !            22: #define BIT1           0x1
        !            23: #define BOUND1         BOUND2
        !            24: #define ALIGN1(x)      ALIGN2(x)
        !            25: #define TRUNC1(x)      TRUNC2(x)
        !            26: #define CLRBIT1(x)     POINTER(INTEGER(x)&0xfffffffe)
        !            27: #define SETBIT1(x)     POINTER(INTEGER(x)|0x1)
        !            28: #define TSTBIT1(x)     POINTER(INTEGER(x)&0x1)
        !            29: 
        !            30: #define BIT2           0x2
        !            31: #define BOUND2         4
        !            32: #define ALIGN2(x)      TRUNC2((x)+3)
        !            33: #define TRUNC2(x)      POINTER(INTEGER(x)&0xfffffffc)
        !            34: #define CLRBIT2(x)     POINTER(INTEGER(x)&0xfffffffd)
        !            35: #define SETBIT2(x)     POINTER(INTEGER(x)|0x2)
        !            36: #define TSTBIT2(x)     POINTER(INTEGER(x)&0x2)
        !            37: 
        !            38: #endif

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