The asterisk.h header file needs to be included first or else
some things go awry, such as:
implicit declaration of function 'vasprintf'
Change-Id: I981dc2a77a1ba791888e4f1726644d4656c0407c
fopencookie/funclose is a non-standard API and should not be used
in portable software. Additionally, the way FILE's fd is used in
non-blocking mode is undefined behaviour and cannot be relied on.
This introduces internal abstraction for io streams, that allows
implementing the desired virtualization of read/write operations
with necessary timeout handling.
ASTERISK-24515 #close
ASTERISK-24517 #close
Change-Id: Id916aef418b665ced6a7489aef74908b6e376e85