This program mimics the system call 'ls'. Flags include '-a' or '-r'. Accepted Command Line Arguments: ./a.out ./a.out -a ./a.out directoryNameHere ./a.out directoryNameHere -a ./a.out directoryNameHere -r ./a.out -r Dependencies: Download apue.3e from the following site: http://www.apuebook.com/code3e.html Compilation example: gcc -I./apue.3e/include -L./apue.3e/lib newLs.c -lapue Run example: ./a.out