C library to easily create interactive shell

Question

I want to create a program like gdb or gnuplot that has it's own command prompt. I'm looking for a library that will handle the parsing/input validation as well as provide a command history. So far googling for this topic is difficult because any search with the terms 'c' and 'shell' will only produce results for 'csh'.

Answer 1

History is usually managed by readline or libedit. Parsing is usually done with flex/bison.