LibTerm
LibTerm is a command line interface for iPhone and iPad. Includes what you need for coding C programs! Commands: ls, lli, ifconfig, ping, readlink, id, chmod, clang, telnet, host, du, link, dig, egrep, bc, date, gzip, nslookup, python2, fgrep, mv, python3, md5, say, luac, ssh-keygen, xargs, diff,