SVR5 and SCO OpenServer 5

linkb(D3str)

linkb -- concatenate two message blocks

Synopsis

   #include <sys/stream.h>
   #include <sys/ddi.h>
   
   void linkb(mblk_t *mp1, mblk_t *mp2);

Description

linkb appends the message mp2 to the tail of message mp1. The continuation pointer (b_cont) of the last message block in the first message is set to point to the second message.

Arguments

mp1: Pointer to the message to which mp2 is to be added.
mp2: Pointer to the message to be added.

Return values

None.

Usage

Context

Base or Interrupt.

Synchronization constraints

Does not block.

Driver-defined basic locks, read/write locks, and sleep locks may be held across calls to this function.

Hardware applicability

All

Version applicability

ddi: 1, 2, 3, 4, 5, 5mp, 6, 6mp, 7, 7mp, 7.1, 7.1mp, 8, 8mp
oddi: 1, 2, 2mp, 3, 3mp, 4, 4mp, 5, 5mp, 6, 6mp

References

msgb(D4str), unlinkb(D3str)