Write a function BIN2DEC (binary to decimal) that accepts an array of characters representing a binary number. The maximum number of elements is 8 and the possible value of the each character is 'O' or '1. The function prototype is int BIN2DEC (char *str) if the user inputs 0011101 00111012-1x 24 +1x 23 +1 x 22 +0x 21 +1 x20 2910