Sometimes when doing arithmetic, it is better to "saturate" (or clamp) numbers that overflow to the maximum or minimum possible value rather than wrap around.
Write a function that will convert a signed 32-bit number to (signed) 8 bits. If the 32-bit number is too big to fit, saturate (or clamp) the output to the closest possible signed 8-bit value. Since the output is an 8 bit value, the upper 24 bits of the return value should be zero.
char saturate(int n);
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