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pullupmsg(9r)

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NAME    [Toc]    [Back]

       pullupmsg - STREAMS: Concatenates bytes in a message

SYNOPSIS    [Toc]    [Back]

       #include <sys/stream.h>

       int pullupmsg(
               MBLKP message_block_ptr,
               int len );

ARGUMENTS    [Toc]    [Back]

       Specifies  a pointer to the message block whose associated
       data blocks are to be concatenated. The typedef  MBLKP  is
       an  alternate  name  for typedef struct msgb *.  Specifies
       the number of bytes to concatenate.

DESCRIPTION    [Toc]    [Back]

       The pullupmsg interface tries  to  combine  multiple  data
       blocks into a single block. The interface concatenates and
       aligns the first len data bytes of the message pointed  to
       by the message_block_ptr argument. If len equals the value
       -1, pullupmsg concatenates all data. If len bytes  of  the
       same  message  type  cannot  be found, pullupmsg fails and
       returns the value zero (0).

RETURN VALUES    [Toc]    [Back]

       Upon  successful  completion,  the   pullupmsg   interface
       returns the value 1. On failure, it returns the value zero
       (0).

SEE ALSO    [Toc]    [Back]

      
      
       Kernel Interfaces: allocb(9r)



                                                    pullupmsg(9r)
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