At the end where it gets cut off, it says (" For example, use fopen instead of open.)

Write a C program that reads input from a file and writes to another file. More specifically, you program should accept a command line argument for the name of the input file (use argy). It should read in all lines from the file specified. If the line read in contains the letter Z (or z), your program should write that line to a new file named outfile.txt. (If a line contains two z's, only write it once. Use C functions, not systems calls, for opening, closing, and reading and writing. (For example, use