Content-type: text/html Man page of msgdsize

msgdsize

Section: Kernel Functions for Drivers (9F)
Updated: 16 Jan 2006
Index Return to Main Contents
 

NAME

msgdsize - return the number of bytes in a message  

SYNOPSIS

#include <sys/stream.h>

size_t msgdsize(mblk_t *mp);  

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).  

PARAMETERS

mp Message to be evaluated.

 

DESCRIPTION

The msgdsize() function counts the number of bytes in a data message. Only bytes included in the data blocks of type M_DATA are included in the count.  

RETURN VALUES

The number of data bytes in a message, expressed as an integer.  

CONTEXT

The msgdsize() function can be called from user, interrupt, or kernel context.  

EXAMPLES

See bufcall(9F) for an example that uses msgdsize().  

SEE ALSO

bufcall(9F)

Writing Device Drivers

STREAMS Programming Guide


 

Index

NAME
SYNOPSIS
INTERFACE LEVEL
PARAMETERS
DESCRIPTION
RETURN VALUES
CONTEXT
EXAMPLES
SEE ALSO

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Time: 02:39:46 GMT, October 02, 2010