man pages section 9: DDI and DKI Kernel Functions
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    • backq(9F)– get pointer to the queue behind the current queue
    • bcanput(9F)– test for flow control in specified priority band
    • bcanputnext(9F)– test for room in next module's message queue
    • bcmp(9F)– compare two byte arrays
    • bcopy(9F)– copy data between address locations in the kernel
    • bioclone(9F)– clone another buffer
    • biodone(9F)– release buffer after buffer I/O transfer and notify blocked threads
    • bioerror(9F)– indicate error in buffer header
    • biofini(9F)– uninitialize a buffer structure
    • bioinit(9F)– initialize a buffer structure
    • biomodified(9F)– check if a buffer is modified
    • bioreset(9F)– reuse a private buffer header after I/O is complete
    • biosize(9F)– returns size of a buffer structure
    • biowait(9F)– suspend processes pending completion of block I/O
    • bp_mapin(9F)– allocate virtual address space
    • bp_mapout(9F)– deallocate virtual address space
    • btop(9F)– convert size in bytes to size in pages (round down)
    • btopr(9F)– convert size in bytes to size in pages (round up)
    • bufcall(9F)– call a function when a buffer becomes available
    • bzero(9F)– clear memory for a given number of bytes