#include<stdio.h>
#include<string.h>
#define MAX 128

typedef struct hoge{
  char name[MAX];
  char mail[MAX];
}Hoge;

int main(){
  Hoge * hoge, *init;
  int i;

  hoge = (Hoge *)malloc(sizeof(Hoge) * 3);
  init = hoge;

  strcpy(hoge->name, "aaa");
  strcpy(hoge->mail, "aaa@a.com");
  hoge++;
  strcpy(hoge->name, "bbb");
  strcpy(hoge->mail, "bbb@a.com");
  hoge++;
  strcpy(hoge->name, "ccc");
  strcpy(hoge->mail, "ccc@a.com");

  hoge = init;

  for(i = 0; i<3; i++, hoge++)
    printf("name: %s\n", hoge->name);

  return 0;
}