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I_ANCHOR
| Prevents the removal of a STREAMS module with an I_POP call.
Any process can place an anchor on a stream, but once placed, an anchor can only be
removed by a privileged process.
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I_LOOK
| Retrieves the name of the module just below the stream head
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I_FLUSH
| Flushes all input or output queues
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I_FLUSHBAND
| Flushes a band of messages
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I_FIND
| Compares the names of all modules present in the stream to a specific name
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I_PEEK
| Enables the user to look at information in the first message on the stream
head read queue without taking the message off the queue
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I_SRDOPT
| Sets the read mode using a series of flag options in the argument
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I_GRDOPT
| Indicates the read mode in an int
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I_NREAD
| Counts the data bytes in data blocks in the first message on the stream head
read queue
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I_FDINSERT
| Creates a message from a user buffer, adds information about another stream,
and sends the message downstream
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I_SWROPT
| Sets the write mode using the value of the argument
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I_GWROPT
| Returns the current write mode setting
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I_SENDFD
| Requests that the stream send a message with file pointer to the stream head
at the other end of a STREAMS pipe
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I_RECVFD
| Retrieves the file descriptor of the message sent by an I_SENDFD ioctl(2) over a STREAMS pipe
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I_ATMARK
| Lets the application see if the current message on the stream head read queue
is marked by a module downstream
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I_CKBAND
| Checks if the message of a given priority band exists on the stream head read
queue
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I_GETBAND
| Returns the priority band of the first message on the stream head read queue
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I_CANPUT
| Checks if a certain band is writable
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I_SETCLTIME
| Enables the user to set the time the stream head will delay when a stream is
closing if data exists on the write queues
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I_GETCLTIME
| Returns the close time delay
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I_LINK
| Connects two streams
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I_UNLINK
| Disconnects two streams
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I_PLINK
| Connects two streams with a persistent link below a multiplexing driver
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I_PUNLINK
| Disconnects two streams that have been connected with a persistent link
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