pullupmsg man page on DigitalUNIX

pullupmsg man page on DigitalUNIX

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pullupmsg(9r)							 pullupmsg(9r)

NAME
       pullupmsg - STREAMS: Concatenates bytes in a message

SYNOPSIS
       #include <sys/stream.h>

       int pullupmsg(
	       MBLKP message_block_ptr,
	       int len );

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

SEE ALSO
       Kernel Interfaces: allocb(9r)

								 pullupmsg(9r)

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