Please help with this question

phone_list.txt :

Standard telephone keypads contain the digits 0 through 9. The numbers 2 through 9 each have three letters associated with them, as is indicated by the following table Digit Letter Digit Letter 2 ABC 6 MINTO DER D7 BPRS 4 GHI 8 TUV Write a program that translate seven-letter words in a file to their corresponding phone numbers 1. Name your program phone numbers. C 2. The program reads the content of the file and translate the seven-letter words into their corresponding phone numbers, then writes the phone numbers to a file with the same name but an added extension of .cvt. For example, if the original file name is phone list. txt, then the corresponding phone numbers will be stored in a file named phone list.txt.cvt. Assume the file name is no more than 100 characters. Enter the file name phone list. txt Output file name: phone list. txt.cvt 3. The program should include the following function: void translate (char word, char *phone number) The function expects word to point to a string containing the seven-letter words to be translated; phone number represents the pointer pointing to the string storing the phone number. For example, if the word is TAKEOUT, the function will store 8253688 pointed by phone number