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DB_BASE (9)
  • >> DB_BASE (9) ( Solaris man: Ядро )
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    NAME

    DB_BASE, DB_LIM, DB_REF, DB_TYPE - Data block access macros
     
    

    SYNOPSIS

    #include <sys/stream.h>
    #include <sys/strsun.h>
    

    uchar_t *DB_BASE(mblk_t *mp);

    uchar_t *DB_LIM(mblk_t *mp);

    uchar_t DB_TYPE(mblk_t *mp);

    uchar_t DB_REF(mblk_t *mp);  

    INTERFACE LEVEL

    Solaris DDI specific (Solaris DDI).  

    PARAMETERS

    mp Message block to be accessed.

     

    DESCRIPTION

    These macros provide compact access to public members of the datab(9S) structure associated with the specified message block.

    In all cases, these macros are equivalent to directly accessing the underlying fields of the datab(9S) associated with the specified message block. Specifically:

    DB_BASE(mp) is equivalent to mp->b_datap->db_base.

    DB_LIM(mp) is equivalent to mp->b_datap->db_lim.

    DB_TYPE(mp) is equivalent to mp->b_datap->db_type.

    DB_REF(mp) is equivalent to mp->b_datap->db_ref.  

    CONTEXT

    These functions can be called from user, kernel or interrupt context.  

    SEE ALSO

    msgb(9S), datab(9S)

    STREAMS Programming Guide


     

    Index

    NAME
    SYNOPSIS
    INTERFACE LEVEL
    PARAMETERS
    DESCRIPTION
    CONTEXT
    SEE ALSO


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