Programming in C: Unit IV: Structures and Union
Self-referential Structures
Syntax with Example C Programs
Self-referential structures are those structures that contain a reference to data of its same type, i.e., in addition to other data, a self-referential structure contains a pointer to a data that is of the same type as that of the structure.
SELF-REFERENTIAL
STRUCTURES
Self-referential
structures are those structures that contain a reference to data of its same
type, i.e., in addition to other data, a self-referential structure contains a
pointer to a data that is of the same type as that of the structure. For
example, consider the structure node given as follows:
struct node
{
int val;
struct node *next;
};
Here
the structure node will contain two types of data-an integer val and next,
which is a pointer to a node. You must be wondering why we need such a
structure. Actually, self-referential structure is the foundation of other data
structures. We will be using them throughout this book and their purpose will
be clear to you when we will be discussing linked lists, trees, and graphs.
Programming Tip:
It
is an error to use a structure/ union variable as a member of its own struct
type structure or union type union, respectively.
Programming in C: Unit IV: Structures and Union : Tag: : Syntax with Example C Programs - Self-referential Structures
Programming in C: Unit IV: Structures and Union
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Programming in C
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