C Program to Store Information Using Structure for n Elements Dynamically

#include<stdio.h>

#include<conio.h>

#include<stdlib.h>

struct person

{

  char name[20];

  int age;

};

void main()

{

  struct person *p;

  int i,n;

  printf("Enter n: ");

  scanf("%d",&n);

/* Allocates the memory for n structures with pointer p pointing to the base address. */

  p=(struct person *)calloc(n,sizeof(struct person));

  for(i=0;i<n;++i)

  {

    printf("Enter name and age respectively:\n");

    scanf("%s%d",(p+i)->name,&(p+i)->age);

  }

  printf("\nDisplaying::\n");

  for(i=0;i<n;++i)

    printf("%s\t%d\n",(p+i)->name,(p+i)->age);

  getch();

}

OUTPUT:

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