STREAMS Programming Guide

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Updated: July 2014
 
 

I_STR ioctl Processing

The I_STR ioctl(2) provides a capability for user applications to perform module and driver control functions on STREAMS files. I_STR allows an application to specify the ioctl(2) timeout. It encourages that all user ioctl(2) data (to be received by the destination module) be placed in a single block that is pointed to from the user strioctl structure. The module can also return data to this block.