Python struct Functions
EditRocket provides the following information on struct functions in the Python source code builder.
calcsize(fmt) - Return the size of the struct (and hence of the string) corresponding to the given format.
unpack(fmt, string) - Unpack the string (presumably packed by pack(fmt, .
unpack_from(fmt, buffer[,offset = 0]) - Unpack the buffer according to tthe given format.