linkb(9F)

NAME | SYNOPSIS | INTERFACE LEVEL | DESCRIPTION | PARAMETERS | CONTEXT | EXAMPLES | SEE ALSO

NAME

linkb– concatenate two message blocks

SYNOPSIS

#include <sys/stream.h>

void linkb(mblk_t *mp1, mblk_t *mp2);

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

DESCRIPTION

linkb() creates a new message by adding mp2 to the tail of mp1. The continuation pointer, b_cont, of mp1 is set to point to mp2.

The following figure describes how the linkb(m1, m2); function concatenates two message blocks, mp1 and mp2:

PARAMETERS

mp1

The message to which mp2 is to be added. mblk_t is an instance of the msgb(9S) structure.

mp2

The message to be added.

CONTEXT

linkb() can be called from user or interrupt context.

EXAMPLES

See dupb(9F) for an example that uses linkb().

SEE ALSO

dupb(9F), unlinkb(9F), msgb(9S)

Writing Device Drivers

STREAMS Programming Guide

SunOS 5.9  Last Revised 22 Mar 2002

NAME | SYNOPSIS | INTERFACE LEVEL | DESCRIPTION | PARAMETERS | CONTEXT | EXAMPLES | SEE ALSO