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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. struct person {
  4.    int age;
  5.    float weight;
  6.    char *name;
  7. };
  8.  
  9. int main()
  10. {
  11.      struct person *ptr;
  12.      int i, num;
  13.  
  14.        printf("Enter number of persons: ");
  15.    scanf("%d", &num);
  16.  
  17.      ptr = (struct person*) malloc(num * sizeof(struct person));
  18.    // Above statement allocates the memory for n structures with pointer personPtr pointing to base address */
  19.  
  20.       ptr->name=(char*)malloc(num*sizeof(char));
  21.  
  22.       for(i = 0; i < num; ++i)
  23.    {
  24.        printf("Enter name, age and weight of the person respectively:\n");
  25.        scanf("%s%d%f",&ptr->name[i], &(ptr+i)->age, &(ptr+i)->weight);
  26.    }
  27.  
  28.      printf("Displaying Infromation:\n");
  29.       for(i = 0; i < num; ++i)
  30.        printf("%s\t%d\t%.2f\n", ptr->name[i], (ptr+i)->age, (ptr+i)->weight);
  31.  
  32.    return 0;
  33. }
  34.  
Success #stdin #stdout 0s 9432KB
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stdin
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Standard input is empty
stdout
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Enter number of persons: Displaying Infromation:
https://ideone.com/rXN67S
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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