#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX 128
typedef char String[MAX];
typedef struct
   { 
      String name;
      float s;
   } ST;
 
int main()
{
       int size, Index;
       ST *p, *tmpa, *tmp;
       ST *dArray;
 
//create block    
//check return value of malloc
tmpa= (ST *) malloc (1*sizeof(ST));
if(tmpa==NULL)
   { 
     printf("Error\n");
     exit(1);
    }
   else
   {p=tmpa;}
 
size=-1;
printf("Enter information (\"exit\") to exit\n");
printf("What is the name :");
scanf("%s",(*p).name);
   if(strcmp((*p).name,"exit")==0)
      { exit(0); }
 
while(strcmp((*p).name,"exit")!=0)
{
printf("What is the size:");
scanf("%f",&(*p).s);
     size++;
     (p[size]).name=(*p).name;
     p[size].s=(*p).s;
tmp=(ST *)realloc(p,(size+1)*sizeof(ST));
//check return value from tmp
if (tmp==NULL)
   { 
      printf("Error\n");
      exit(1);
    }
else 
   {p=tmp;}
printf("Enter  information (\"exit\") to exit\n");
printf("What is the name :");
scanf("%s",(*p).name);
 
 
}//end of while loop
 
printf("The following new data:\n");
    for (Index = 0; Index <= size; Index++) 
       { 
          printf("%s has size %.2f \n",p[Index].name,p[Index].s);
       }
       free(p);
 
return 0;
}