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   ioc_id;         /* ioctl id * /
uint   ioc_count;      /* count of bytes in data field * /
int    ioc_error;      /* error code * /
int    ioc_rval;       /* return value * /
long   ioc_filler[4];   /* reserved for future use * /

SEE ALSO

STREAMS Programmer's Guide