1iocblk(9S)                Data Structures for Drivers               iocblk(9S)
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NAME

6       iocblk - STREAMS data structure for the M_IOCTL message type
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SYNOPSIS

9       #include <sys/stream.h>
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INTERFACE LEVEL

13       Architecture independent level 1 (DDI/DKI).
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DESCRIPTION

16       The iocblk data structure is used for passing M_IOCTL messages.
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STRUCTURE MEMBERS

19         int         ioc_cmd;      /* ioctl command type */
20         cred_t      *ioc_cr;      /* full credentials */
21         uint_t      ioc_id;       /* ioctl id */
22         uint_t      ioc_flag;     /* ioctl flags */
23         uint_t      ioc_count;    /* count of bytes in data field */
24         int         ioc_rval;     /* return value */
25         int         ioc_error;    /* error code */
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SEE ALSO

29       STREAMS Programming Guide
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33SunOS 5.11                        13 Nov 1996                       iocblk(9S)