Format of Named Pipes _PIPEINFO structure:
Offset	Size	Description	)
 00h	WORD	size of outgoing buffer
 02h	WORD	size of incoming buffer
 04h	BYTE	maximum number of instances allowed
 05h	BYTE	current number of instances
 06h	BYTE	length of the name (including terminating NUL)
 07h  N BYTEs	name