Index for Section 9r

Alphabetical listing for D

Bottom of page

dupmsg(9r)
NAME
  dupmsg - STREAMS: Duplicates a message

SYNOPSIS
  #include <sys/stream.h>

  MBLKP dupmsg(
	  MBLKP message_block_ptr );

ARGUMENTS
  message_block_ptr
      Specifies a pointer to the message block. The typedef MBLKP is an
      alternate name for typedef struct msgb *.

DESCRIPTION
  The dupmsg interface forms a new message by copying the message block
  descriptors pointed to by the message_block_ptr argument and linking them.
  The dupmsg interface calls dupb for each message block. The data blocks
  themselves are not duplicated.

RETURN VALUES
  Upon successful completion, the dupmsg interface returns a pointer to the
  newly allocated message block.  This newly allocated message block is of
  type struct msgb *. The msgb data structure is defined in the
  /usr/sys/include/sys/stream.h file.

  Otherwise, dupmsg returns a NULL pointer.

SEE ALSO
  Kernel Interfaces: copyb(9r), copymsg(9r), dupb(9r)

  Programmer's Guide: STREAMS

Index for Section 9r

Alphabetical listing for D

Top of page