Structures — Study Resources & PYQs

Fundamentals and declaration of structures in C.

Study resources

Structures and Unions section - GeeksforGeeks tutorial (Article) — Covers struct declaration, initialisation, the dot operator, nested structures and arrays of structures, then unions and enums in the same section.
C struct - Programiz (Article) — A gentler introduction with a student-record example running through it. Read this before the GeeksforGeeks version if structures are new to you.
Structure Pointer in C - GeeksforGeeks (Article) — Shows both ways of accessing members through a pointer: (*ptr).member and ptr->member. Knowing they are equivalent is worth marks.
C structs and Pointers - Programiz (Article) — Same topic with a fuller example, including dynamically allocating structures. Links naturally into the dynamic memory allocation topic in Unit 6.
C Structures (GeeksforGeeks) (Article) — Comprehensive guide to structures in C — why they're needed, how to declare and initialize them, and their key differences from arrays.
Introduction to Structures in C (Video) — Lecture explaining why structures are needed in C and how to define a structure, ideal as a first watch before reading the written notes above.

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