Describe what the following function returns, in terms of its argument. unsigned int foo (unsigned int n) { } unsigned int m = Oxff; unsigned int maski = m | (m < < 16); unsigned int mask2 = mask1 < < 8%; n = (n < < 16) | (n >> 16);B return ((n & mask1) < < 8) | ((n & mask2) >> 8);