Character replacement

Write a C program which, for an existing file supplied by the command line argument, replaces all the occurrences of the words “We?? or “we?? by “I??; “a?? by “the??; and “A?? by “The??. Then print the replaced file. All other characters of the file are to be left unchanged. ## Deliverables Requirement: 1. You are required to use read, write, open, lseek system calls. 2. Since the replacing string length is different from the existing one, you need to adjust the rest of the file when each replacement takes place. ## Platform Linux/Unix C