Separating interface from implementation has many practical benefits. Here’s a simple way to do just that, in ANSI-standard C code. How do you organize medium-sized or larger C programs? Few C ...

I have a C program, and want to run some other program ("ftp", if you must know). I also want to be able to feed commands (like "open <hostname>") into ftp's stdin. However, my attempts haven't been ...