Un registering an application

Hello,
There is no client api for unregistering an
application. I saw network.h header file, there, after
PGREQ_REGISTER, PGRQ_UNUSED_1 is there. May be that is
left for un registering application. Am i right? 

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P.Raghu Ram Murthy, M-tech (Computer Science),
Room No - 245,
Brahmaputra Hostel,
Indian Institute of Technology Madras,
Chennai - 36.

Mobile:    (0) 98402 81944
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