Explanation: The logic of the program is same as the previous one. The user-defined function
pass() has only one job to invoke function main(). The if conditions inside main() check
the value of variable x. If value of x is zero, then if block is executed that displays factorial of
the number and terminates the programs.
8.32 BITFIELDSANDCLASSES
Bit field provides exact amount of bits required for storage of values. If a variable value is 1 or 0
we need a single bit to store it. In the same way, if the variable is expressed between 0 and 3, then
the two bits are sufficient for storing these values. Similarly if
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