吴裕雄--天生自然C语言开发：typedef

#include <stdio.h>
#include <string.h>
 
typedef struct Books
{
   char  title[50];
   char  author[50];
   char  subject[100];
   int   book_id;
} Book;
 
int main( )
{
   Book book;
 
   strcpy( book.title, "C 教程");
   strcpy( book.author, "Runoob"); 
   strcpy( book.subject, "编程语言");
   book.book_id = 12345;
 
   printf( "书标题 : %s
", book.title);
   printf( "书作者 : %s
", book.author);
   printf( "书类目 : %s
", book.subject);
   printf( "书 ID : %d
", book.book_id);
 
   return 0;
}

#include <stdio.h>
 
#define TRUE  1
#define FALSE 0
 
int main( )
{
   printf( "TRUE 的值: %d
", TRUE);
   printf( "FALSE 的值: %d
", FALSE);
 
   return 0;
}