ocr: If we assume that we have typed the command line cnt letters chapterl datal to execute this program, then "argv0]" points to the string "cnt letters", "argvl1]" points to the string "chapterl", and "argyl2]" points to the string "datal". Thus, the file "chapterl' - - is opened for reading with file pointer ifp" referring to it, and the file "datal" is opened for writing with fille pointer "ofp" referring to it.
