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SAMESTR(D3)							   SAMESTR(D3)

NAME
     SAMESTR - test if next queue is of the same type

SYNOPSIS
     #include <sys/stream.h>
     #include <sys/ddi.h>
     int SAMESTR(queue_t *q);

   Arguments
     q	       Pointer to the queue.

DESCRIPTION
     The SAMESTR function checks whether the next queue in a stream (if it
     exists) is of the same type as the current queue (that is, both are read
     queues or both are write queues).

   Return Values
     SAMESTR returns 1 if the next queue is of the same type as the current
     queue.  It returns 0 if the next queue does not exist or if it is not of
     the same type.

USAGE
     This function can be used to determine the point in a STREAMS-based pipe
     where a read queue is linked to a write queue.

   Level
     Base or Interrupt.

   Synchronization Constraints
     Does not sleep.

     Driver-defined basic locks, read/write locks, and sleep locks may be held
     across calls to this function.

   Examples
     See the put(D2) manual page for an example of SAMESTR.

REFERENCES
     OTHERQ(D3)

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