unlinkb man page on DigitalUNIX

unlinkb man page on DigitalUNIX

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unlinkb(9r)							   unlinkb(9r)

NAME
       unlinkb - STREAMS: Removes a message block from the head of a message

SYNOPSIS
       #include <sys/stream.h>

       MBLKP unlinkb(
	       MBLKP message_ptr );

ARGUMENTS
       Specifies  a  pointer to the message block from which the first message
       block is to be removed. The typedef MBLKP  is  an  alternate  name  for
       typedef struct msgb *.

DESCRIPTION
       The  unlinkb interface removes the first message block from the message
       block pointed to by the message_ptr argument. The interface  returns  a
       pointer to the new message block, minus the removed message block.

RETURN VALUES
       Upon  successful	 completion, unlinkb returns a pointer to the new mes‐
       sage block with the first message block removed. If there is  only  one
       message block in the specified message block, unlinkb returns NULL.

SEE ALSO
       Kernel Interfaces: linkb(9r)

								   unlinkb(9r)

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