Gets the number of data bytes in a message.
int msgdsize(bp) register mblk_t *bp;
The msgdsize utility returns the number of bytes of data in the message pointed to by the bp parameter. Only bytes included in data blocks of type M_DATA are included in the total.
|bp||Specifies the message from which to get the number of bytes.|
The msgdsize utility returns the number of bytes of data in a message.
This utility is part of STREAMS Kernel Extensions.
List of Streams Programming References, Understanding STREAMS Messages in AIX Version 4.3 Communications Programming Concepts.