test1_1.txt

linux under the C programming which complementary with the book of <linux under the C programming

main()                                                                        
{ 
	int a,b,c;                                                                     
 	unsigned d;                                                                   
 	a=6;b= -7;u=78;                                                               
 	c=a+b+u;                                                                    
  	printf(%d\n”,c);                  /*printf（）为格式化输出函数*/        
	/*”%d”表输出格式为十进制整数*/                      
}