Category: C Programming

Access struct fields via pointers with ->.

Share memory among variants with union.

Name integer constants with enum for clearer code.

Create type aliases with typedef for readability.

Understand array-to-pointer decay and indexing equivalence.

Pass pointers to let functions modify caller data or avoid large copies.

Use pointer-to-pointer for resizing pointers or 2D structures.

Group related fields with struct.

Embed structs inside structs for hierarchical data.

Store collections of records in struct arrays.