实验一词法分析器的设计(2)

printf("please input a program end with @"); do

{

ch = getchar();

program[i++] = ch;

}while(ch != '@');

i = 0;

do{

flag = Scan(program);

if (flag == 200)

{

printf("(%2d,%4d)",flag,number); }

else if (flag == -1)

{

printf("(%d,error)",flag);

}

else

{

printf("(%2d,%4s)",flag,words);

}

}while (flag != 0);

system("pause");

}