#include <stdio.h>

struct st_schedule {
  int date;
  char memo[128];
  struct st_schedule* next;
};

void insertSchedule(struct st_schedule* prev, int date, char* memo){

   struct st_schedule* newSch;
 
   newSch = (struct st_schedule*)malloc(sizeof(struct st_schedule));
   newSch->date = date;
   strcpy(newSch->memo, memo);
   
   newSch->next = prev->next;
   prev->next   = newSch;
}

void printSchedule(struct st_schedule* sch) {
   for(; sch!=NULL; sch=sch->next) {
      printf("%d: %s\n", sch->date, sch->memo);
   }
}

void findSchedule(struct st_schedule* sch, int date) {
  /* ここに書き足す。*/
}

void insertVacation(struct st_schedule* sch) {
  /* ここに書き足す。*/
}

int main() {
   struct st_schedule dummy = {0, "", (struct st_schedule *)NULL};
   int  date;
   char buf[256], memo[128]; 
   struct st_schedule *cur=&dummy, *prev;  
   /* いちいちキーボードから入力するのが面倒なときは次のコメントをはずす */
   /*
   struct st_schedule prog2[] = {
      19991105, "第1回レポート提出", (struct st_schedule *)NULL,
      19991126, "第2回レポート提出", (struct st_schedule *)NULL,
      20000118, "第3回レポート提出", (struct st_schedule *)NULL,
      20000202, "プログラミングII最終日", (struct st_schedule *)NULL,
      20000223, "第4回レポート提出", (struct st_schedule *)NULL,
   };
 
   int i;
   int n=sizeof(prog2)/sizeof(struct st_schedule);

   dummy.next = prog2;
 
   for (i=1; i<n; i++) {
     prog2[i-1].next = &prog2[i];
   }
   cur = &prog2[n-1];
   */
   
   while(1) {  /* 入力 */ 
      printf("「年月日 用件」を入力（例: 20000203 Setsubun）\n");
      printf("空行で終了\n");
      fgets(buf, 256, stdin);
      if (sscanf(buf, "%d %s", &date, memo)<2) break;
      insertSchedule(cur, date, memo);
      cur=cur->next;
   }

   findSchedule(dummy.next, 20000223);   
/*   insertVacation(dummy.next); */
   printSchedule(dummy.next);
}