C_类型名、相关功能或操作

 #include<stdio.h>

    
  
    
 #define NAME "I am LAND_CRUISERSYH"         //字符串常量
    
 #define LONGTH 50
    
  
    
 int main()
    
  
    
 {
    
     char words[LONGTH] = "Hello world!";    //char类型数组
    
     const char *p = "I am coming";          //指向char的指针
    
     puts("Hello");        
    
     puts(NAME);
    
     puts(words);
    
     puts(pt1);
    
     words[11] = '.';
    
     puts(words);
    
     return 0;
    
 }