linkb(9F)
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
The linkb() function 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
The linkb() function can be called from user, interrupt, or kernel context.
Examples
See dupb(9F) for an example that uses linkb().
See Also
dupb(9F), unlinkb(9F), msgb(9S)