Question: Write a C function to search a null-terminated string of characters for a specific whoring and to return the address of the start of the whoring. The input to the subroutine is to be the starting address of the string to be searched, the starting address of the substring to be searched for, and the number of characters in the substring. If the substring is found, return the address of the first character in the search swing thermic return an address of 0x0000.