Implementation and demonstarte of C STRUCTURE with pointer with example

Updated:13/02/2024 by Computer Hope

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Want to learn how we can implement strucure in c and There are two ways that members of a structure can be retrieved from pointers.

Utilising a pointer with the dot and asterisk operators. using a pointer with the arrow operator (->).
A structure pointer's declaration is comparable to that of a structure variable. Thus, we are able to declare the variable and structure pointer both within and outside of the main() method. In C, we use the asterisk (*) symbol before the variable name to declare a pointer variable.

                //Write a program  to demonstarte of STRUCTURE WITH POINTER
#include<stdio.h>
struct student
{
int   sno,m;
char sname[20];
float per;
};
void main()
{
struct student s1 , *p;
p = &s1;
printf("\n enter sno,m,sname of student");
scanf("%d%d%s" , &p->sno , &p->m , p->sname );
p->per=p->m/3.0;
printf("\n %d %d %s" , p->sno , p->m , p->sname , p->per );
}