Dynamically managed memory regions growing toward each other.
If you’ve already mastered the basics of C—maybe you’ve even read the classic K&R guide
While downloading copyrighted textbook PDFs from unauthorized GitHub repositories can infringe on copyright laws, GitHub remains an excellent resource for supplementary material. Many developers host public repositories containing:
Expert C Programming: Deep C Secrets teaches timeless C wisdom that still distinguishes average from expert C developers. While a free PDF is not legally authorized, extensive GitHub resources (summaries, code, discussions) provide much of the value without violating copyright. For serious study, owning a used copy remains the safest, most reliable path.
Van der Linden destroys the myth that "arrays are just pointers." He provides the classic extern example:
: Explaining why extern char *cp is fundamentally different from extern char cp[] in memory layout. 2. Memory Layout Visualizer