Set up a C programming environment with shell facilities, makefiles, text editors, debuggers, and memory checkers

Use Autotools, C’s de facto cross-platform package manager

Learn which older C concepts should be downplayed or deprecated

Explore problematic C concepts that are too useful to throw out

Solve C’s string-building problems with C-standard and POSIX-standard functions

Use modern syntactic features for functions that take structured inputs

Build high-level object-based libraries and programs

Apply existing C libraries for doing advanced math, talking to Internet servers, and running databases