The ulong statement is used to define one or more variables and arrays of type ulong. The ulong statement behaves in the same way as the int statement, the only exception being that it reserves 32 bit memory locations instead of 16 bit memory locations. 32 bit variables of type ulong are used to store numbers in the range 0 to 4,294,967,295BEWARE: like the int statement, the ulong statement is used to define both local and global variables depending on the context in which it is used.
e.g. ulong var1 ulong var1, var99[10], var3