msgdsize Utility

Purpose

Gets the number of data bytes in a message.

Syntax

int msgdsize(bp) register mblk_t * bp;

Description

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.

This utility is part of STREAMS Kernel Extensions.

Parameters

Item	Description
bp	Specifies the message from which to get the number of bytes.

Return Values

The msgdsize utility returns the number of bytes of data in a message.