by Dinesh Thakur Category: Structure And Union

In this method, the declaration starts with typedef followed by key word struct. The data members of the structure are placed between a pair of curly braces after struct. The type name is placed after the closing right brace (}). This is explained in the following example:

typedef struct

{

  int datamemberl;

  int datamember2;

  int datamember3;

} type_name ;

Program provides an illustration of the typedef method where a structure with type-name vector is declared. Any instance of the structure may be declared as given below.

type_name identifier

Illustrates typedef method for declaring structures

# include <stdio.h>

typedef struct
{
int x;
int y;
int z;
} vector;
void main ()
{
  vector A= {5,8,7};
  vector B = {6} ;
  vector C = {4,8};
  clrscr();
  printf("A.x = %d \tA.y = %d \tA.z = %d", A.x, A.y, A.z);
  printf("\nB.x = %d \tB.y = %d \tB.z = %d", B.x, B.y, B.z);
  printf("\nC.x = %d \tC.y = %d \tC.z = %d", C.x, C.y, C.z);
  printf ("\n");
}

Typedef in Structure Declaration in C



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