not change or use *star and yld variables anywhere in the code. int main(void) \{ int *yildiz, yld; yildiz=\&yld; printf("\%d n, yildiz); yildiz=yildiz +1; printf("\%d n", yildiz); Simple phone book application 1) The program will ask the user to enter name, surname, and phone number for up to 25 people. (User can enter data less than 25 people if he/she wants.) After the user has registered as many people (maximum 25) as he wants, the program will ask the user according to which category they want to sort. According to the user's answer, using one of the bubble sorting, quick sorting or merge sorting algorithms by name, surname or phone number, the sorting will be done and the list will be displayed on the screen as follows. Serial number in the list Name Surname Phone In the continuation of the program, the user will be able to perform the following operations. a) If the number of records is less than 25 , you can add new records, if 25 , "there is no place to add new records." will give a warning. b) If the user searches by name, surname or phone number and finds the record, it will show all the information about that record or records on the screen. c) If the user wants to change the record he has reached, the data of the relevant record will be changed as the user wants.. d) The user will be able to delete the record that he found as a result of the search from the list. Records after the deleted record will be shifted one up so that the order is not broken. e) The operations in a, b, c, d above will run until the user wants to exit the program