#include<stdio.h>
#include<string.h>
main()
{
char c;
int space=0,table=0,enter=0;
printf("Please input a string:\n");
scanf("%c",&c);
while(c!=EOF)
{
switch(c){
case 32:space++;
break;
case 9:table++;
break;
case 10:enter++;
break;
default:
break;
}
scanf("%c",&c);
}
printf("space:%d\n",space);
printf("table:%d\n",table);
printf("enter:%d\n",enter);
getchar();
return 0;
}