This command gets an unsigned long integer
from the specified packet. Typically long integers are 4 bytes in size
ranging from 0 to
4294967295.
The data will be taken starting at the cursor position and the cursor will be moved forward by the size of the data returned.
long long int Packet: This is the packet that the command should use.
Data from the specified packet if no
error occurred.
0 if an error occurred.
C++