php man page for datab

Query: datab

OS: php

Section: 9s

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

datab(9S)						    Data Structures for Drivers 						 datab(9S)

NAME
datab, dblk - STREAMS message data structure
SYNOPSIS
#include <sys/stream.h>
INTERFACE LEVEL
Architecture independent level 1 (DDI/DKI).
DESCRIPTION
The datab structure describes the data of a STREAMS message. The actual data contained in a STREAMS message is stored in a data buffer pointed to by this structure. A msgb (message block) structure includes a field that points to a datab structure. Because a data block can have more than one message block pointing to it at one time, the db_ref member keeps track of a data block's ref- erences, preventing it from being deallocated until all message blocks are finished with it.
STRUCTURE MEMBERS
unsigned char *db_base; /* first byte of buffer */ unsigned char *db_lim; /* last byte (+1) of buffer */ unsigned char db_ref; /* # of message pointers to this data */ unsigned char db_type; /* message type */ A datab structure is defined as type dblk_t.
SEE ALSO
free_rtn(9S), msgb(9S) Writing Device Drivers STREAMS Programming Guide SunOS 5.10 24 Oct 2003 datab(9S)
Related Man Pages
mblk(9s) - sunos
msgb(9s) - debian
msgb(9s) - centos
msgb(9s) - redhat
msgb(9s) - xfree86
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