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

NAME

iocblk - STREAMS data structure for the M_IOCTL message type

SYNOPSIS

#include <sys/stream.h>

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

DESCRIPTION

The iocblk data structure is used for passing M_IOCTL messages.

STRUCTURE MEMBERS

int ioc_cmd; /* ioctl command type */
cred_t *ioc_cr; /* full credentials */
uint_t ioc_id; /* ioctl id */
uint_t ioc_flag; /* ioctl flags */
uint_t ioc_count; /* count of bytes in data field */
int ioc_rval; /* return value */
int ioc_error; /* error code */

SEE ALSO

STREAMS Programming Guide

November 13, 1996 IOCBLK(9S)