<sys/stream.h> and <sys/ptem.h> in System V release 3.2

[david.dougherty]

 <1620 at ctisbv.cti-software.nl> pim at cti-software.nl (Pim Zandbergen) writes:
:: 
:: But in System V 3.2.1 ... TIOCGWINSZ is defined in <sys/termio.h>,
:: but there is no <sys/stream.h> nor a <sys/ptem.h>.
:: 
:: Are these include files part of standard System V release 3.2 ?

You're missing the Network Support Utilities (package NSU).