void ReadFully(
	byte[] b,
	int off,
	int len
)

Sub ReadFully ( 
	b As Byte(),
	off As Integer,
	len As Integer
)

void ReadFully(
	array<unsigned char>^ b, 
	int off, 
	int len
)

abstract ReadFully : 
        b : byte[] * 
        off : int * 
        len : int -> unit