[openbeos] Build issues: close(), rmdir(), etc called without being defined on several places!?

Hi all,

Am I the only to find strange that build choke on missing close(), 
rmdir(), read() & co functions definitions, when 
it was clearly not an issue previously?

I've started to fix that by including unistd.h in some place :
- current/src/add-ons/print/transports/parallel_port/
print_transport.cpp
- current/src/servers/print/Printer.cpp

But, then, I fall on current/src/kits/storage/Node.cpp:

C++ ../objects/x86.R1/kits/Node.o
/data/projects/openbeos/current/src/kits/storage/Node.cpp: In method 
`void BNode::close_fd()':
/data/projects/openbeos/current/src/kits/storage/Node.cpp:687: implicit 
declaration of function `int close(...)'

Same for Session.cpp:

C++ ../objects/x86.R1/kits/storage/Session.o
/data/projects/openbeos/current/src/kits/storage/Session.cpp: In method 
`status_t BSession::GetPartitioningParameters(const char *, class 
BString *, class BRect = BRect(), bool * = 0)':
/data/projects/openbeos/current/src/kits/storage/Session.cpp:308: 
implicit declaration of function `int close(...)'  

So, I start to wonder if I don't miss something here, maybe there is no 
problem at all, but my local configuration?
Yes, I run ./configure recently.

AFAIK, close(), rmdir(), read(), etc are only defined in unistd.h, no?
These files should have include it to use these functions calls, 
shouldn't they?

-Philippe, seeing build issues where they're... or not!?


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