7.0010.k. The decimal value of varf given varf is of datatype long at the address 4077 (through 4080):

11111110101101111100100101101001 BUT since varf is of data type (signed) long, we must compliment:

11111110101101111100100101101001 => 00000001010010000011011010010110

+ 1

00000001010010000011011010010111

= -(2²⁴ + 2²² + 2¹⁹ + 2¹³ + 2¹² + 2¹⁰ + 2⁹ + 2⁷ + 2⁴ + 2² + 2¹ + 2⁰)

= -(16777216 + 4194304 + 524288 + 8192 + 4096 + 1024 + 512 + 128 + 16 + 4 + 2 + 1)

= -21,509,783