例6.8

int main()
{char string[81];
int i,num=0,word=0;
char c;gets(strong);
for(i=0;(c=string[i])!='\0';i++)
if(c==' ')word=0;
else if(word==0)
{word=1;
num++;
}
printf(")There are %d words in this line.\n",num);
return 0;
}