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testb(9r)
NAME
  testb - General: Checks for an available buffer

SYNOPSIS
  #include <sys/stream.h>


  int testb(
	  int size,
	  uint pri );

ARGUMENTS
  size
      Specifies the size of the requested buffer.

  pri Specifies the priority of the allocb request.

DESCRIPTION
  The testb interface determines if a call to the allocb interface is likely
  to succeed if a buffer of size bytes at priority pri is requested.  Even if
  testb returns successfully, the call to allocb can fail.

RETURN VALUES
  If a buffer of the requested size is available, testb returns the value 1.
  If a buffer of the requested size is not available, testb returns the value
  zero (0).

SEE ALSO
  Kernel Interfaces: allocb(9r), bufcall(9r)

Index for Section 9

Alphabetical listing for T

Top of page