/*功能：利用結(jié)構(gòu)指針，存儲和顯示三個學生的基本情況*/
#include <stdio.h>
#include <reg51.h>
struct  date  		/*日期結(jié)構(gòu)類型：由年、月、日三項組成*/
       {int year;
        int month;
        int day;
       };
struct  std_info		/*學生信息結(jié)構(gòu)類型：由學號、姓名、性別和生日共4項組成*/
       {char  no[7];
        char  name[9];
        char  sex[3];
    	struct date birthday;
       };
/*定義并初始化一個外部結(jié)構(gòu)數(shù)組student */
struct  std_info  student= {"000102","張華","男",{1980,9,20}};
void main(void)
  {
    struct  std_info  *p_std=&student;	/*定義指針變量p_std，并使其指向結(jié)構(gòu)變量student */
   #ifndef MONITOR51
    SCON  = 0x50;		        /* SCON: mode 1, 8-bit UART, enable rcvr      */
    TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
    TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
    TR1   = 1;                  /* TR1:  timer 1 run                          */
    TI    = 1;                  /* TI:   set TI to send first char of UART    */
   #endif
  
    printf("No: %s\n", p_std->no);
    printf("Name: %s\n", p_std->name);
    printf("Sex: %s\n", p_std->sex);
    printf("Birthday: %d-%d-%d\n", p_std->birthday.year, p_std->birthday.month, p_std->birthday.day);
  
	while(1);
  }